| August 2026 | 4.100 | Source estimate; revisable |
|---|
| July 2026 | 4.600 | Source estimate; revisable |
|---|
| June 2026 | 4.400 | Source estimate; revisable |
|---|
| May 2026 | 4.400 | Source estimate; revisable |
|---|
| April 2026 | 4.400 | Source estimate; revisable |
|---|
| March 2026 | 5.100 | Source estimate; revisable |
|---|
| February 2026 | 5.300 | Source estimate; revisable |
|---|
| January 2026 | 5.600 | Source estimate; revisable |
|---|
| December 2025 | 5.000 | Source estimate; revisable |
|---|
| November 2025 | 4.900 | Source estimate; revisable |
|---|
| October 2025 | 4.900 | Source estimate; revisable |
|---|
| September 2025 | 5.100 | Source estimate; revisable |
|---|
| August 2025 | 5.200 | Source estimate; revisable |
|---|
| July 2025 | 5.300 | Source estimate; revisable |
|---|
| June 2025 | 5.500 | Source estimate; revisable |
|---|
| May 2025 | 5.700 | Source estimate; revisable |
|---|
| April 2025 | 6.200 | Source estimate; revisable |
|---|
| March 2025 | 5.700 | Source estimate; revisable |
|---|
| February 2025 | 5.700 | Source estimate; revisable |
|---|
| January 2025 | 5.700 | Source estimate; revisable |
|---|
| December 2024 | 5.100 | Source estimate; revisable |
|---|
| November 2024 | 5.700 | Source estimate; revisable |
|---|
| October 2024 | 5.800 | Source estimate; revisable |
|---|
| September 2024 | 5.700 | Source estimate; revisable |
|---|
| August 2024 | 6.200 | Source estimate; revisable |
|---|
| July 2024 | 6.200 | Source estimate; revisable |
|---|
| June 2024 | 6.600 | Source estimate; revisable |
|---|
| May 2024 | 6.600 | Source estimate; revisable |
|---|
| April 2024 | 6.700 | Source estimate; revisable |
|---|
| March 2024 | 6.700 | Source estimate; revisable |
|---|
| February 2024 | 6.900 | Source estimate; revisable |
|---|
| January 2024 | 7.200 | Source estimate; revisable |
|---|
| December 2023 | 6.600 | Source estimate; revisable |
|---|
| November 2023 | 6.400 | Source estimate; revisable |
|---|
| October 2023 | 6.200 | Source estimate; revisable |
|---|
| September 2023 | 6.000 | Source estimate; revisable |
|---|
| August 2023 | 6.300 | Source estimate; revisable |
|---|
| July 2023 | 6.200 | Source estimate; revisable |
|---|
| June 2023 | 6.300 | Source estimate; revisable |
|---|
| May 2023 | 6.400 | Source estimate; revisable |
|---|
| April 2023 | 6.100 | Source estimate; revisable |
|---|
| March 2023 | 6.100 | Source estimate; revisable |
|---|
| February 2023 | 5.600 | Source estimate; revisable |
|---|
| January 2023 | 5.000 | Source estimate; revisable |
|---|
| December 2022 | 4.400 | Source estimate; revisable |
|---|
| November 2022 | 4.000 | Source estimate; revisable |
|---|
| October 2022 | 3.600 | Source estimate; revisable |
|---|
| September 2022 | 3.600 | Source estimate; revisable |
|---|
| August 2022 | 3.400 | Source estimate; revisable |
|---|
| July 2022 | 3.400 | Source estimate; revisable |
|---|
| June 2022 | 2.400 | Source estimate; revisable |
|---|
| May 2022 | 2.600 | Source estimate; revisable |
|---|
| April 2022 | 2.700 | Source estimate; revisable |
|---|
| March 2022 | 3.300 | Source estimate; revisable |
|---|
| February 2022 | 4.200 | Source estimate; revisable |
|---|
| January 2022 | 4.300 | Source estimate; revisable |
|---|
| December 2021 | 6.800 | Source estimate; revisable |
|---|
| November 2021 | 6.900 | Source estimate; revisable |
|---|
| October 2021 | 7.200 | Source estimate; revisable |
|---|
| September 2021 | 7.800 | Source estimate; revisable |
|---|
| August 2021 | 8.900 | Source estimate; revisable |
|---|
| July 2021 | 9.500 | Source estimate; revisable |
|---|
| June 2021 | 8.700 | Source estimate; revisable |
|---|
| May 2021 | 9.900 | Source estimate; revisable |
|---|
| April 2021 | 12.300 | Source estimate; revisable |
|---|
| March 2021 | 26.200 | Source estimate; revisable |
|---|
| February 2021 | 13.000 | Source estimate; revisable |
|---|
| January 2021 | 19.500 | Source estimate; revisable |
|---|
| December 2020 | 11.800 | Source estimate; revisable |
|---|
| November 2020 | 12.000 | Source estimate; revisable |
|---|
| October 2020 | 12.800 | Source estimate; revisable |
|---|
| September 2020 | 13.300 | Source estimate; revisable |
|---|
| August 2020 | 13.900 | Source estimate; revisable |
|---|
| July 2020 | 17.900 | Source estimate; revisable |
|---|
| June 2020 | 18.300 | Source estimate; revisable |
|---|
| May 2020 | 22.600 | Source estimate; revisable |
|---|
| April 2020 | 31.800 | Source estimate; revisable |
|---|
| March 2020 | 12.400 | Source estimate; revisable |
|---|
| February 2020 | 7.500 | Source estimate; revisable |
|---|
| January 2020 | 6.800 | Source estimate; revisable |
|---|
| December 2019 | 6.200 | Source estimate; revisable |
|---|
| November 2019 | 6.900 | Source estimate; revisable |
|---|
| October 2019 | 7.100 | Source estimate; revisable |
|---|
| September 2019 | 7.000 | Source estimate; revisable |
|---|
| August 2019 | 6.900 | Source estimate; revisable |
|---|
| July 2019 | 6.800 | Source estimate; revisable |
|---|
| June 2019 | 7.100 | Source estimate; revisable |
|---|
| May 2019 | 7.300 | Source estimate; revisable |
|---|
| April 2019 | 7.600 | Source estimate; revisable |
|---|
| March 2019 | 7.900 | Source estimate; revisable |
|---|
| February 2019 | 8.500 | Source estimate; revisable |
|---|
| January 2019 | 8.400 | Source estimate; revisable |
|---|
| December 2018 | 8.400 | Source estimate; revisable |
|---|
| November 2018 | 6.500 | Source estimate; revisable |
|---|
| October 2018 | 6.700 | Source estimate; revisable |
|---|
| September 2018 | 6.800 | Source estimate; revisable |
|---|
| August 2018 | 6.600 | Source estimate; revisable |
|---|
| July 2018 | 6.500 | Source estimate; revisable |
|---|
| June 2018 | 6.300 | Source estimate; revisable |
|---|
| May 2018 | 6.000 | Source estimate; revisable |
|---|
| April 2018 | 6.000 | Source estimate; revisable |
|---|
| March 2018 | 5.900 | Source estimate; revisable |
|---|
| February 2018 | 5.800 | Source estimate; revisable |
|---|
| January 2018 | 5.700 | Source estimate; revisable |
|---|
| December 2017 | 5.000 | Source estimate; revisable |
|---|
| November 2017 | 5.600 | Source estimate; revisable |
|---|
| October 2017 | 6.000 | Source estimate; revisable |
|---|
| September 2017 | 5.900 | Source estimate; revisable |
|---|
| August 2017 | 6.100 | Source estimate; revisable |
|---|
| July 2017 | 6.000 | Source estimate; revisable |
|---|
| June 2017 | 6.000 | Source estimate; revisable |
|---|
| May 2017 | 6.300 | Source estimate; revisable |
|---|
| April 2017 | 5.700 | Source estimate; revisable |
|---|
| March 2017 | 5.600 | Source estimate; revisable |
|---|
| February 2017 | 5.600 | Source estimate; revisable |
|---|
| January 2017 | 5.300 | Source estimate; revisable |
|---|
| December 2016 | 5.000 | Source estimate; revisable |
|---|
| November 2016 | 5.400 | Source estimate; revisable |
|---|
| October 2016 | 5.300 | Source estimate; revisable |
|---|
| September 2016 | 5.100 | Source estimate; revisable |
|---|
| August 2016 | 5.100 | Source estimate; revisable |
|---|
| July 2016 | 5.100 | Source estimate; revisable |
|---|
| June 2016 | 4.900 | Source estimate; revisable |
|---|
| May 2016 | 5.300 | Source estimate; revisable |
|---|
| April 2016 | 5.500 | Source estimate; revisable |
|---|
| March 2016 | 5.900 | Source estimate; revisable |
|---|
| February 2016 | 5.600 | Source estimate; revisable |
|---|
| January 2016 | 6.100 | Source estimate; revisable |
|---|
| December 2015 | 5.800 | Source estimate; revisable |
|---|
| November 2015 | 5.600 | Source estimate; revisable |
|---|
| October 2015 | 5.800 | Source estimate; revisable |
|---|
| September 2015 | 5.800 | Source estimate; revisable |
|---|
| August 2015 | 5.600 | Source estimate; revisable |
|---|
| July 2015 | 5.600 | Source estimate; revisable |
|---|
| June 2015 | 5.700 | Source estimate; revisable |
|---|
| May 2015 | 5.800 | Source estimate; revisable |
|---|
| April 2015 | 5.900 | Source estimate; revisable |
|---|
| March 2015 | 5.900 | Source estimate; revisable |
|---|
| February 2015 | 6.400 | Source estimate; revisable |
|---|
| January 2015 | 6.300 | Source estimate; revisable |
|---|
| December 2014 | 6.000 | Source estimate; revisable |
|---|
| November 2014 | 5.600 | Source estimate; revisable |
|---|
| October 2014 | 5.400 | Source estimate; revisable |
|---|
| September 2014 | 5.500 | Source estimate; revisable |
|---|
| August 2014 | 5.300 | Source estimate; revisable |
|---|
| July 2014 | 5.500 | Source estimate; revisable |
|---|
| June 2014 | 5.600 | Source estimate; revisable |
|---|
| May 2014 | 5.600 | Source estimate; revisable |
|---|
| April 2014 | 5.400 | Source estimate; revisable |
|---|
| March 2014 | 5.200 | Source estimate; revisable |
|---|
| February 2014 | 5.300 | Source estimate; revisable |
|---|
| January 2014 | 5.200 | Source estimate; revisable |
|---|
| December 2013 | 4.500 | Source estimate; revisable |
|---|
| November 2013 | 4.500 | Source estimate; revisable |
|---|
| October 2013 | 4.700 | Source estimate; revisable |
|---|
| September 2013 | 5.300 | Source estimate; revisable |
|---|
| August 2013 | 5.200 | Source estimate; revisable |
|---|
| July 2013 | 5.200 | Source estimate; revisable |
|---|
| June 2013 | 5.400 | Source estimate; revisable |
|---|
| May 2013 | 5.300 | Source estimate; revisable |
|---|
| April 2013 | 5.100 | Source estimate; revisable |
|---|
| March 2013 | 4.800 | Source estimate; revisable |
|---|
| February 2013 | 4.700 | Source estimate; revisable |
|---|
| January 2013 | 4.900 | Source estimate; revisable |
|---|
| December 2012 | 10.900 | Source estimate; revisable |
|---|
| November 2012 | 8.700 | Source estimate; revisable |
|---|
| October 2012 | 7.800 | Source estimate; revisable |
|---|
| September 2012 | 7.200 | Source estimate; revisable |
|---|
| August 2012 | 6.700 | Source estimate; revisable |
|---|
| July 2012 | 7.000 | Source estimate; revisable |
|---|
| June 2012 | 7.900 | Source estimate; revisable |
|---|
| May 2012 | 7.900 | Source estimate; revisable |
|---|
| April 2012 | 7.900 | Source estimate; revisable |
|---|
| March 2012 | 7.600 | Source estimate; revisable |
|---|
| February 2012 | 7.300 | Source estimate; revisable |
|---|
| January 2012 | 7.400 | Source estimate; revisable |
|---|
| December 2011 | 7.200 | Source estimate; revisable |
|---|
| November 2011 | 6.400 | Source estimate; revisable |
|---|
| October 2011 | 6.300 | Source estimate; revisable |
|---|
| September 2011 | 6.400 | Source estimate; revisable |
|---|
| August 2011 | 6.700 | Source estimate; revisable |
|---|
| July 2011 | 6.700 | Source estimate; revisable |
|---|
| June 2011 | 6.500 | Source estimate; revisable |
|---|
| May 2011 | 6.300 | Source estimate; revisable |
|---|
| April 2011 | 6.300 | Source estimate; revisable |
|---|
| March 2011 | 6.300 | Source estimate; revisable |
|---|
| February 2011 | 6.900 | Source estimate; revisable |
|---|
| January 2011 | 6.600 | Source estimate; revisable |
|---|
| December 2010 | 6.200 | Source estimate; revisable |
|---|
| November 2010 | 5.800 | Source estimate; revisable |
|---|
| October 2010 | 5.900 | Source estimate; revisable |
|---|
| September 2010 | 6.100 | Source estimate; revisable |
|---|
| August 2010 | 6.200 | Source estimate; revisable |
|---|
| July 2010 | 6.100 | Source estimate; revisable |
|---|
| June 2010 | 6.200 | Source estimate; revisable |
|---|
| May 2010 | 6.400 | Source estimate; revisable |
|---|
| April 2010 | 6.000 | Source estimate; revisable |
|---|
| March 2010 | 5.300 | Source estimate; revisable |
|---|
| February 2010 | 5.300 | Source estimate; revisable |
|---|
| January 2010 | 5.600 | Source estimate; revisable |
|---|
| December 2009 | 5.400 | Source estimate; revisable |
|---|
| November 2009 | 5.500 | Source estimate; revisable |
|---|
| October 2009 | 5.100 | Source estimate; revisable |
|---|
| September 2009 | 5.500 | Source estimate; revisable |
|---|
| August 2009 | 4.400 | Source estimate; revisable |
|---|
| July 2009 | 5.400 | Source estimate; revisable |
|---|
| June 2009 | 6.100 | Source estimate; revisable |
|---|
| May 2009 | 7.800 | Source estimate; revisable |
|---|
| April 2009 | 6.500 | Source estimate; revisable |
|---|
| March 2009 | 5.800 | Source estimate; revisable |
|---|
| February 2009 | 5.400 | Source estimate; revisable |
|---|
| January 2009 | 5.900 | Source estimate; revisable |
|---|
| December 2008 | 5.800 | Source estimate; revisable |
|---|
| November 2008 | 6.000 | Source estimate; revisable |
|---|
| October 2008 | 4.900 | Source estimate; revisable |
|---|
| September 2008 | 3.900 | Source estimate; revisable |
|---|
| August 2008 | 3.100 | Source estimate; revisable |
|---|
| July 2008 | 3.600 | Source estimate; revisable |
|---|
| June 2008 | 4.600 | Source estimate; revisable |
|---|
| May 2008 | 6.800 | Source estimate; revisable |
|---|
| April 2008 | 2.400 | Source estimate; revisable |
|---|
| March 2008 | 2.900 | Source estimate; revisable |
|---|
| February 2008 | 3.000 | Source estimate; revisable |
|---|
| January 2008 | 2.600 | Source estimate; revisable |
|---|
| December 2007 | 2.400 | Source estimate; revisable |
|---|
| November 2007 | 1.900 | Source estimate; revisable |
|---|
| October 2007 | 2.200 | Source estimate; revisable |
|---|
| September 2007 | 2.300 | Source estimate; revisable |
|---|
| August 2007 | 2.200 | Source estimate; revisable |
|---|
| July 2007 | 2.600 | Source estimate; revisable |
|---|
| June 2007 | 2.700 | Source estimate; revisable |
|---|
| May 2007 | 2.800 | Source estimate; revisable |
|---|
| April 2007 | 3.000 | Source estimate; revisable |
|---|
| March 2007 | 3.000 | Source estimate; revisable |
|---|
| February 2007 | 2.800 | Source estimate; revisable |
|---|
| January 2007 | 2.400 | Source estimate; revisable |
|---|
| December 2006 | 2.600 | Source estimate; revisable |
|---|
| November 2006 | 2.700 | Source estimate; revisable |
|---|
| October 2006 | 2.400 | Source estimate; revisable |
|---|
| September 2006 | 2.400 | Source estimate; revisable |
|---|
| August 2006 | 2.500 | Source estimate; revisable |
|---|
| July 2006 | 2.300 | Source estimate; revisable |
|---|
| June 2006 | 2.900 | Source estimate; revisable |
|---|
| May 2006 | 2.900 | Source estimate; revisable |
|---|
| April 2006 | 3.100 | Source estimate; revisable |
|---|
| March 2006 | 3.300 | Source estimate; revisable |
|---|
| February 2006 | 3.200 | Source estimate; revisable |
|---|
| January 2006 | 3.000 | Source estimate; revisable |
|---|
| December 2005 | 2.500 | Source estimate; revisable |
|---|
| November 2005 | 2.600 | Source estimate; revisable |
|---|
| October 2005 | 2.300 | Source estimate; revisable |
|---|
| September 2005 | 2.000 | Source estimate; revisable |
|---|
| August 2005 | 2.000 | Source estimate; revisable |
|---|
| July 2005 | 1.400 | Source estimate; revisable |
|---|
| June 2005 | 2.000 | Source estimate; revisable |
|---|
| May 2005 | 2.600 | Source estimate; revisable |
|---|
| April 2005 | 2.100 | Source estimate; revisable |
|---|
| March 2005 | 2.500 | Source estimate; revisable |
|---|
| February 2005 | 2.300 | Source estimate; revisable |
|---|
| January 2005 | 2.700 | Source estimate; revisable |
|---|
| December 2004 | 6.200 | Source estimate; revisable |
|---|
| November 2004 | 3.400 | Source estimate; revisable |
|---|
| October 2004 | 3.900 | Source estimate; revisable |
|---|
| September 2004 | 4.100 | Source estimate; revisable |
|---|
| August 2004 | 4.700 | Source estimate; revisable |
|---|
| July 2004 | 4.700 | Source estimate; revisable |
|---|
| June 2004 | 5.400 | Source estimate; revisable |
|---|
| May 2004 | 4.800 | Source estimate; revisable |
|---|
| April 2004 | 4.900 | Source estimate; revisable |
|---|
| March 2004 | 4.500 | Source estimate; revisable |
|---|
| February 2004 | 4.600 | Source estimate; revisable |
|---|
| January 2004 | 4.600 | Source estimate; revisable |
|---|
| December 2003 | 5.000 | Source estimate; revisable |
|---|
| November 2003 | 5.000 | Source estimate; revisable |
|---|
| October 2003 | 5.000 | Source estimate; revisable |
|---|
| September 2003 | 4.900 | Source estimate; revisable |
|---|
| August 2003 | 5.700 | Source estimate; revisable |
|---|
| July 2003 | 5.900 | Source estimate; revisable |
|---|
| June 2003 | 5.100 | Source estimate; revisable |
|---|
| May 2003 | 5.300 | Source estimate; revisable |
|---|
| April 2003 | 5.000 | Source estimate; revisable |
|---|
| March 2003 | 4.900 | Source estimate; revisable |
|---|
| February 2003 | 5.200 | Source estimate; revisable |
|---|
| January 2003 | 5.300 | Source estimate; revisable |
|---|
| December 2002 | 5.300 | Source estimate; revisable |
|---|
| November 2002 | 5.600 | Source estimate; revisable |
|---|
| October 2002 | 5.600 | Source estimate; revisable |
|---|
| September 2002 | 5.800 | Source estimate; revisable |
|---|
| August 2002 | 5.200 | Source estimate; revisable |
|---|
| July 2002 | 5.300 | Source estimate; revisable |
|---|
| June 2002 | 6.100 | Source estimate; revisable |
|---|
| May 2002 | 6.100 | Source estimate; revisable |
|---|
| April 2002 | 5.400 | Source estimate; revisable |
|---|
| March 2002 | 5.500 | Source estimate; revisable |
|---|
| February 2002 | 5.400 | Source estimate; revisable |
|---|
| January 2002 | 5.600 | Source estimate; revisable |
|---|
| December 2001 | 3.700 | Source estimate; revisable |
|---|
| November 2001 | 3.400 | Source estimate; revisable |
|---|
| October 2001 | 2.900 | Source estimate; revisable |
|---|
| September 2001 | 6.900 | Source estimate; revisable |
|---|
| August 2001 | 6.500 | Source estimate; revisable |
|---|
| July 2001 | 5.400 | Source estimate; revisable |
|---|
| June 2001 | 4.200 | Source estimate; revisable |
|---|
| May 2001 | 4.300 | Source estimate; revisable |
|---|
| April 2001 | 4.800 | Source estimate; revisable |
|---|
| March 2001 | 4.900 | Source estimate; revisable |
|---|
| February 2001 | 4.600 | Source estimate; revisable |
|---|
| January 2001 | 4.500 | Source estimate; revisable |
|---|
| December 2000 | 4.100 | Source estimate; revisable |
|---|
| November 2000 | 4.300 | Source estimate; revisable |
|---|
| October 2000 | 4.300 | Source estimate; revisable |
|---|
| September 2000 | 4.100 | Source estimate; revisable |
|---|
| August 2000 | 4.800 | Source estimate; revisable |
|---|
| July 2000 | 4.700 | Source estimate; revisable |
|---|
| June 2000 | 4.300 | Source estimate; revisable |
|---|
| May 2000 | 4.300 | Source estimate; revisable |
|---|
| April 2000 | 4.300 | Source estimate; revisable |
|---|
| March 2000 | 3.800 | Source estimate; revisable |
|---|
| February 2000 | 4.000 | Source estimate; revisable |
|---|
| January 2000 | 4.500 | Source estimate; revisable |
|---|
| December 1999 | 3.700 | Source estimate; revisable |
|---|
| November 1999 | 4.100 | Source estimate; revisable |
|---|
| October 1999 | 4.000 | Source estimate; revisable |
|---|
| September 1999 | 3.700 | Source estimate; revisable |
|---|
| August 1999 | 4.300 | Source estimate; revisable |
|---|
| July 1999 | 4.400 | Source estimate; revisable |
|---|
| June 1999 | 4.300 | Source estimate; revisable |
|---|
| May 1999 | 4.400 | Source estimate; revisable |
|---|
| April 1999 | 4.700 | Source estimate; revisable |
|---|
| March 1999 | 5.600 | Source estimate; revisable |
|---|
| February 1999 | 6.000 | Source estimate; revisable |
|---|
| January 1999 | 6.100 | Source estimate; revisable |
|---|
| December 1998 | 5.500 | Source estimate; revisable |
|---|
| November 1998 | 6.000 | Source estimate; revisable |
|---|
| October 1998 | 5.900 | Source estimate; revisable |
|---|
| September 1998 | 6.100 | Source estimate; revisable |
|---|
| August 1998 | 6.500 | Source estimate; revisable |
|---|
| July 1998 | 6.600 | Source estimate; revisable |
|---|
| June 1998 | 6.500 | Source estimate; revisable |
|---|
| May 1998 | 6.600 | Source estimate; revisable |
|---|
| April 1998 | 6.900 | Source estimate; revisable |
|---|
| March 1998 | 7.100 | Source estimate; revisable |
|---|
| February 1998 | 7.000 | Source estimate; revisable |
|---|
| January 1998 | 7.000 | Source estimate; revisable |
|---|
| December 1997 | 6.100 | Source estimate; revisable |
|---|
| November 1997 | 6.100 | Source estimate; revisable |
|---|
| October 1997 | 5.900 | Source estimate; revisable |
|---|
| September 1997 | 5.900 | Source estimate; revisable |
|---|
| August 1997 | 5.700 | Source estimate; revisable |
|---|
| July 1997 | 5.800 | Source estimate; revisable |
|---|
| June 1997 | 6.300 | Source estimate; revisable |
|---|
| May 1997 | 6.500 | Source estimate; revisable |
|---|
| April 1997 | 6.200 | Source estimate; revisable |
|---|
| March 1997 | 6.100 | Source estimate; revisable |
|---|
| February 1997 | 6.000 | Source estimate; revisable |
|---|
| January 1997 | 5.900 | Source estimate; revisable |
|---|
| December 1996 | 6.100 | Source estimate; revisable |
|---|
| November 1996 | 6.200 | Source estimate; revisable |
|---|
| October 1996 | 6.100 | Source estimate; revisable |
|---|
| September 1996 | 6.400 | Source estimate; revisable |
|---|
| August 1996 | 6.400 | Source estimate; revisable |
|---|
| July 1996 | 6.500 | Source estimate; revisable |
|---|
| June 1996 | 6.900 | Source estimate; revisable |
|---|
| May 1996 | 6.500 | Source estimate; revisable |
|---|
| April 1996 | 5.500 | Source estimate; revisable |
|---|
| March 1996 | 6.400 | Source estimate; revisable |
|---|
| February 1996 | 6.600 | Source estimate; revisable |
|---|
| January 1996 | 6.500 | Source estimate; revisable |
|---|
| December 1995 | 6.000 | Source estimate; revisable |
|---|
| November 1995 | 6.400 | Source estimate; revisable |
|---|
| October 1995 | 7.000 | Source estimate; revisable |
|---|
| September 1995 | 6.600 | Source estimate; revisable |
|---|
| August 1995 | 6.600 | Source estimate; revisable |
|---|
| July 1995 | 6.900 | Source estimate; revisable |
|---|
| June 1995 | 6.500 | Source estimate; revisable |
|---|
| May 1995 | 7.000 | Source estimate; revisable |
|---|
| April 1995 | 6.800 | Source estimate; revisable |
|---|
| March 1995 | 7.400 | Source estimate; revisable |
|---|
| February 1995 | 7.700 | Source estimate; revisable |
|---|
| January 1995 | 7.300 | Source estimate; revisable |
|---|
| December 1994 | 7.000 | Source estimate; revisable |
|---|
| November 1994 | 6.900 | Source estimate; revisable |
|---|
| October 1994 | 7.000 | Source estimate; revisable |
|---|
| September 1994 | 6.700 | Source estimate; revisable |
|---|
| August 1994 | 6.400 | Source estimate; revisable |
|---|
| July 1994 | 6.900 | Source estimate; revisable |
|---|
| June 1994 | 6.800 | Source estimate; revisable |
|---|
| May 1994 | 7.500 | Source estimate; revisable |
|---|
| April 1994 | 6.300 | Source estimate; revisable |
|---|
| March 1994 | 6.700 | Source estimate; revisable |
|---|
| February 1994 | 6.400 | Source estimate; revisable |
|---|
| January 1994 | 7.000 | Source estimate; revisable |
|---|
| December 1993 | 9.000 | Source estimate; revisable |
|---|
| November 1993 | 6.200 | Source estimate; revisable |
|---|
| October 1993 | 6.200 | Source estimate; revisable |
|---|
| September 1993 | 6.800 | Source estimate; revisable |
|---|
| August 1993 | 7.600 | Source estimate; revisable |
|---|
| July 1993 | 7.500 | Source estimate; revisable |
|---|
| June 1993 | 7.700 | Source estimate; revisable |
|---|
| May 1993 | 8.200 | Source estimate; revisable |
|---|
| April 1993 | 8.700 | Source estimate; revisable |
|---|
| March 1993 | 8.800 | Source estimate; revisable |
|---|
| February 1993 | 8.800 | Source estimate; revisable |
|---|
| January 1993 | 8.500 | Source estimate; revisable |
|---|
| December 1992 | 10.500 | Source estimate; revisable |
|---|
| November 1992 | 7.900 | Source estimate; revisable |
|---|
| October 1992 | 7.900 | Source estimate; revisable |
|---|
| September 1992 | 8.600 | Source estimate; revisable |
|---|
| August 1992 | 9.600 | Source estimate; revisable |
|---|
| July 1992 | 9.500 | Source estimate; revisable |
|---|
| June 1992 | 10.000 | Source estimate; revisable |
|---|
| May 1992 | 9.800 | Source estimate; revisable |
|---|
| April 1992 | 9.800 | Source estimate; revisable |
|---|
| March 1992 | 9.700 | Source estimate; revisable |
|---|
| February 1992 | 9.800 | Source estimate; revisable |
|---|
| January 1992 | 9.500 | Source estimate; revisable |
|---|
| December 1991 | 9.800 | Source estimate; revisable |
|---|
| November 1991 | 9.100 | Source estimate; revisable |
|---|
| October 1991 | 9.400 | Source estimate; revisable |
|---|
| September 1991 | 8.900 | Source estimate; revisable |
|---|
| August 1991 | 8.700 | Source estimate; revisable |
|---|
| July 1991 | 8.400 | Source estimate; revisable |
|---|
| June 1991 | 9.000 | Source estimate; revisable |
|---|
| May 1991 | 8.500 | Source estimate; revisable |
|---|
| April 1991 | 8.700 | Source estimate; revisable |
|---|
| March 1991 | 8.100 | Source estimate; revisable |
|---|
| February 1991 | 9.000 | Source estimate; revisable |
|---|
| January 1991 | 9.400 | Source estimate; revisable |
|---|
| December 1990 | 8.800 | Source estimate; revisable |
|---|
| November 1990 | 8.000 | Source estimate; revisable |
|---|
| October 1990 | 7.900 | Source estimate; revisable |
|---|
| September 1990 | 8.100 | Source estimate; revisable |
|---|
| August 1990 | 8.100 | Source estimate; revisable |
|---|
| July 1990 | 8.700 | Source estimate; revisable |
|---|
| June 1990 | 8.600 | Source estimate; revisable |
|---|
| May 1990 | 8.700 | Source estimate; revisable |
|---|
| April 1990 | 8.700 | Source estimate; revisable |
|---|
| March 1990 | 8.300 | Source estimate; revisable |
|---|
| February 1990 | 8.500 | Source estimate; revisable |
|---|
| January 1990 | 7.900 | Source estimate; revisable |
|---|
| December 1989 | 7.700 | Source estimate; revisable |
|---|
| November 1989 | 8.500 | Source estimate; revisable |
|---|
| October 1989 | 8.400 | Source estimate; revisable |
|---|
| September 1989 | 7.900 | Source estimate; revisable |
|---|
| August 1989 | 7.500 | Source estimate; revisable |
|---|
| July 1989 | 8.100 | Source estimate; revisable |
|---|
| June 1989 | 8.100 | Source estimate; revisable |
|---|
| May 1989 | 8.000 | Source estimate; revisable |
|---|
| April 1989 | 8.300 | Source estimate; revisable |
|---|
| March 1989 | 9.400 | Source estimate; revisable |
|---|
| February 1989 | 8.900 | Source estimate; revisable |
|---|
| January 1989 | 8.500 | Source estimate; revisable |
|---|
| December 1988 | 8.300 | Source estimate; revisable |
|---|
| November 1988 | 8.400 | Source estimate; revisable |
|---|
| October 1988 | 8.600 | Source estimate; revisable |
|---|
| September 1988 | 8.800 | Source estimate; revisable |
|---|
| August 1988 | 8.400 | Source estimate; revisable |
|---|
| July 1988 | 8.600 | Source estimate; revisable |
|---|
| June 1988 | 8.400 | Source estimate; revisable |
|---|
| May 1988 | 8.300 | Source estimate; revisable |
|---|
| April 1988 | 8.700 | Source estimate; revisable |
|---|
| March 1988 | 8.000 | Source estimate; revisable |
|---|
| February 1988 | 8.400 | Source estimate; revisable |
|---|
| January 1988 | 7.900 | Source estimate; revisable |
|---|
| December 1987 | 8.400 | Source estimate; revisable |
|---|
| November 1987 | 8.200 | Source estimate; revisable |
|---|
| October 1987 | 7.900 | Source estimate; revisable |
|---|
| September 1987 | 7.200 | Source estimate; revisable |
|---|
| August 1987 | 6.800 | Source estimate; revisable |
|---|
| July 1987 | 7.100 | Source estimate; revisable |
|---|
| June 1987 | 7.300 | Source estimate; revisable |
|---|
| May 1987 | 7.800 | Source estimate; revisable |
|---|
| April 1987 | 4.100 | Source estimate; revisable |
|---|
| March 1987 | 8.100 | Source estimate; revisable |
|---|
| February 1987 | 8.200 | Source estimate; revisable |
|---|
| January 1987 | 9.400 | Source estimate; revisable |
|---|
| December 1986 | 6.800 | Source estimate; revisable |
|---|
| November 1986 | 8.600 | Source estimate; revisable |
|---|
| October 1986 | 8.300 | Source estimate; revisable |
|---|
| September 1986 | 7.100 | Source estimate; revisable |
|---|
| August 1986 | 8.900 | Source estimate; revisable |
|---|
| July 1986 | 9.300 | Source estimate; revisable |
|---|
| June 1986 | 9.400 | Source estimate; revisable |
|---|
| May 1986 | 9.300 | Source estimate; revisable |
|---|
| April 1986 | 9.700 | Source estimate; revisable |
|---|
| March 1986 | 9.900 | Source estimate; revisable |
|---|
| February 1986 | 9.300 | Source estimate; revisable |
|---|
| January 1986 | 8.700 | Source estimate; revisable |
|---|
| December 1985 | 8.600 | Source estimate; revisable |
|---|
| November 1985 | 9.000 | Source estimate; revisable |
|---|
| October 1985 | 9.100 | Source estimate; revisable |
|---|
| September 1985 | 7.300 | Source estimate; revisable |
|---|
| August 1985 | 8.100 | Source estimate; revisable |
|---|
| July 1985 | 9.100 | Source estimate; revisable |
|---|
| June 1985 | 9.600 | Source estimate; revisable |
|---|
| May 1985 | 11.000 | Source estimate; revisable |
|---|
| April 1985 | 9.800 | Source estimate; revisable |
|---|
| March 1985 | 8.600 | Source estimate; revisable |
|---|
| February 1985 | 8.900 | Source estimate; revisable |
|---|
| January 1985 | 10.200 | Source estimate; revisable |
|---|
| December 1984 | 11.100 | Source estimate; revisable |
|---|
| November 1984 | 10.700 | Source estimate; revisable |
|---|
| October 1984 | 11.600 | Source estimate; revisable |
|---|
| September 1984 | 11.700 | Source estimate; revisable |
|---|
| August 1984 | 11.700 | Source estimate; revisable |
|---|
| July 1984 | 11.400 | Source estimate; revisable |
|---|
| June 1984 | 11.000 | Source estimate; revisable |
|---|
| May 1984 | 11.000 | Source estimate; revisable |
|---|
| April 1984 | 11.400 | Source estimate; revisable |
|---|
| March 1984 | 11.400 | Source estimate; revisable |
|---|
| February 1984 | 11.600 | Source estimate; revisable |
|---|
| January 1984 | 9.900 | Source estimate; revisable |
|---|
| December 1983 | 10.100 | Source estimate; revisable |
|---|
| November 1983 | 10.300 | Source estimate; revisable |
|---|
| October 1983 | 9.700 | Source estimate; revisable |
|---|
| September 1983 | 9.600 | Source estimate; revisable |
|---|
| August 1983 | 9.200 | Source estimate; revisable |
|---|
| July 1983 | 9.700 | Source estimate; revisable |
|---|
| June 1983 | 9.200 | Source estimate; revisable |
|---|
| May 1983 | 9.900 | Source estimate; revisable |
|---|
| April 1983 | 10.300 | Source estimate; revisable |
|---|
| March 1983 | 10.700 | Source estimate; revisable |
|---|
| February 1983 | 11.200 | Source estimate; revisable |
|---|
| January 1983 | 11.100 | Source estimate; revisable |
|---|
| December 1982 | 10.900 | Source estimate; revisable |
|---|
| November 1982 | 10.900 | Source estimate; revisable |
|---|
| October 1982 | 11.200 | Source estimate; revisable |
|---|
| September 1982 | 11.700 | Source estimate; revisable |
|---|
| August 1982 | 12.500 | Source estimate; revisable |
|---|
| July 1982 | 12.500 | Source estimate; revisable |
|---|
| June 1982 | 12.200 | Source estimate; revisable |
|---|
| May 1982 | 12.200 | Source estimate; revisable |
|---|
| April 1982 | 12.800 | Source estimate; revisable |
|---|
| March 1982 | 12.100 | Source estimate; revisable |
|---|
| February 1982 | 12.000 | Source estimate; revisable |
|---|
| January 1982 | 12.600 | Source estimate; revisable |
|---|
| December 1981 | 12.400 | Source estimate; revisable |
|---|
| November 1981 | 13.000 | Source estimate; revisable |
|---|
| October 1981 | 12.900 | Source estimate; revisable |
|---|
| September 1981 | 12.300 | Source estimate; revisable |
|---|
| August 1981 | 12.000 | Source estimate; revisable |
|---|
| July 1981 | 12.300 | Source estimate; revisable |
|---|
| June 1981 | 10.800 | Source estimate; revisable |
|---|
| May 1981 | 10.900 | Source estimate; revisable |
|---|
| April 1981 | 10.800 | Source estimate; revisable |
|---|
| March 1981 | 10.800 | Source estimate; revisable |
|---|
| February 1981 | 10.800 | Source estimate; revisable |
|---|
| January 1981 | 10.900 | Source estimate; revisable |
|---|
| December 1980 | 11.400 | Source estimate; revisable |
|---|
| November 1980 | 11.600 | Source estimate; revisable |
|---|
| October 1980 | 11.300 | Source estimate; revisable |
|---|
| September 1980 | 11.700 | Source estimate; revisable |
|---|
| August 1980 | 11.400 | Source estimate; revisable |
|---|
| July 1980 | 11.400 | Source estimate; revisable |
|---|
| June 1980 | 11.300 | Source estimate; revisable |
|---|
| May 1980 | 11.500 | Source estimate; revisable |
|---|
| April 1980 | 11.400 | Source estimate; revisable |
|---|
| March 1980 | 10.300 | Source estimate; revisable |
|---|
| February 1980 | 10.100 | Source estimate; revisable |
|---|
| January 1980 | 9.900 | Source estimate; revisable |
|---|
| December 1979 | 10.100 | Source estimate; revisable |
|---|
| November 1979 | 9.700 | Source estimate; revisable |
|---|
| October 1979 | 9.700 | Source estimate; revisable |
|---|
| September 1979 | 9.400 | Source estimate; revisable |
|---|
| August 1979 | 9.700 | Source estimate; revisable |
|---|
| July 1979 | 10.600 | Source estimate; revisable |
|---|
| June 1979 | 9.800 | Source estimate; revisable |
|---|
| May 1979 | 10.300 | Source estimate; revisable |
|---|
| April 1979 | 11.000 | Source estimate; revisable |
|---|
| March 1979 | 11.200 | Source estimate; revisable |
|---|
| February 1979 | 11.000 | Source estimate; revisable |
|---|
| January 1979 | 11.100 | Source estimate; revisable |
|---|
| December 1978 | 10.400 | Source estimate; revisable |
|---|
| November 1978 | 10.500 | Source estimate; revisable |
|---|
| October 1978 | 10.700 | Source estimate; revisable |
|---|
| September 1978 | 10.600 | Source estimate; revisable |
|---|
| August 1978 | 10.500 | Source estimate; revisable |
|---|
| July 1978 | 10.900 | Source estimate; revisable |
|---|
| June 1978 | 10.000 | Source estimate; revisable |
|---|
| May 1978 | 10.300 | Source estimate; revisable |
|---|
| April 1978 | 10.800 | Source estimate; revisable |
|---|
| March 1978 | 11.000 | Source estimate; revisable |
|---|
| February 1978 | 11.100 | Source estimate; revisable |
|---|
| January 1978 | 11.900 | Source estimate; revisable |
|---|
| December 1977 | 11.400 | Source estimate; revisable |
|---|
| November 1977 | 11.200 | Source estimate; revisable |
|---|
| October 1977 | 11.000 | Source estimate; revisable |
|---|
| September 1977 | 11.100 | Source estimate; revisable |
|---|
| August 1977 | 10.900 | Source estimate; revisable |
|---|
| July 1977 | 10.500 | Source estimate; revisable |
|---|
| June 1977 | 10.600 | Source estimate; revisable |
|---|
| May 1977 | 10.300 | Source estimate; revisable |
|---|
| April 1977 | 10.500 | Source estimate; revisable |
|---|
| March 1977 | 10.500 | Source estimate; revisable |
|---|
| February 1977 | 9.300 | Source estimate; revisable |
|---|
| January 1977 | 10.600 | Source estimate; revisable |
|---|
| December 1976 | 10.600 | Source estimate; revisable |
|---|
| November 1976 | 11.400 | Source estimate; revisable |
|---|
| October 1976 | 11.100 | Source estimate; revisable |
|---|
| September 1976 | 11.400 | Source estimate; revisable |
|---|
| August 1976 | 11.700 | Source estimate; revisable |
|---|
| July 1976 | 11.700 | Source estimate; revisable |
|---|
| June 1976 | 11.400 | Source estimate; revisable |
|---|
| May 1976 | 12.300 | Source estimate; revisable |
|---|
| April 1976 | 11.700 | Source estimate; revisable |
|---|
| March 1976 | 12.200 | Source estimate; revisable |
|---|
| February 1976 | 12.300 | Source estimate; revisable |
|---|
| January 1976 | 11.700 | Source estimate; revisable |
|---|
| December 1975 | 12.000 | Source estimate; revisable |
|---|
| November 1975 | 12.700 | Source estimate; revisable |
|---|
| October 1975 | 13.400 | Source estimate; revisable |
|---|
| September 1975 | 13.000 | Source estimate; revisable |
|---|
| August 1975 | 13.000 | Source estimate; revisable |
|---|
| July 1975 | 12.600 | Source estimate; revisable |
|---|
| June 1975 | 14.300 | Source estimate; revisable |
|---|
| May 1975 | 17.300 | Source estimate; revisable |
|---|
| April 1975 | 14.200 | Source estimate; revisable |
|---|
| March 1975 | 12.700 | Source estimate; revisable |
|---|
| February 1975 | 12.500 | Source estimate; revisable |
|---|
| January 1975 | 13.200 | Source estimate; revisable |
|---|
| December 1974 | 14.000 | Source estimate; revisable |
|---|
| November 1974 | 13.800 | Source estimate; revisable |
|---|
| October 1974 | 13.400 | Source estimate; revisable |
|---|
| September 1974 | 12.900 | Source estimate; revisable |
|---|
| August 1974 | 12.100 | Source estimate; revisable |
|---|
| July 1974 | 12.800 | Source estimate; revisable |
|---|
| June 1974 | 12.800 | Source estimate; revisable |
|---|
| May 1974 | 12.800 | Source estimate; revisable |
|---|
| April 1974 | 13.100 | Source estimate; revisable |
|---|
| March 1974 | 13.400 | Source estimate; revisable |
|---|
| February 1974 | 14.200 | Source estimate; revisable |
|---|
| January 1974 | 14.300 | Source estimate; revisable |
|---|
| December 1973 | 14.800 | Source estimate; revisable |
|---|
| November 1973 | 14.400 | Source estimate; revisable |
|---|
| October 1973 | 14.400 | Source estimate; revisable |
|---|
| September 1973 | 13.100 | Source estimate; revisable |
|---|
| August 1973 | 13.900 | Source estimate; revisable |
|---|
| July 1973 | 13.200 | Source estimate; revisable |
|---|
| June 1973 | 13.600 | Source estimate; revisable |
|---|
| May 1973 | 13.200 | Source estimate; revisable |
|---|
| April 1973 | 13.200 | Source estimate; revisable |
|---|
| March 1973 | 12.700 | Source estimate; revisable |
|---|
| February 1973 | 12.500 | Source estimate; revisable |
|---|
| January 1973 | 12.400 | Source estimate; revisable |
|---|
| December 1972 | 13.700 | Source estimate; revisable |
|---|
| November 1972 | 13.600 | Source estimate; revisable |
|---|
| October 1972 | 13.000 | Source estimate; revisable |
|---|
| September 1972 | 12.200 | Source estimate; revisable |
|---|
| August 1972 | 12.000 | Source estimate; revisable |
|---|
| July 1972 | 11.700 | Source estimate; revisable |
|---|
| June 1972 | 11.700 | Source estimate; revisable |
|---|
| May 1972 | 11.700 | Source estimate; revisable |
|---|
| April 1972 | 11.500 | Source estimate; revisable |
|---|
| March 1972 | 11.800 | Source estimate; revisable |
|---|
| February 1972 | 12.800 | Source estimate; revisable |
|---|
| January 1972 | 12.500 | Source estimate; revisable |
|---|
| December 1971 | 13.000 | Source estimate; revisable |
|---|
| November 1971 | 13.100 | Source estimate; revisable |
|---|
| October 1971 | 13.300 | Source estimate; revisable |
|---|
| September 1971 | 13.300 | Source estimate; revisable |
|---|
| August 1971 | 13.600 | Source estimate; revisable |
|---|
| July 1971 | 13.800 | Source estimate; revisable |
|---|
| June 1971 | 14.700 | Source estimate; revisable |
|---|
| May 1971 | 13.600 | Source estimate; revisable |
|---|
| April 1971 | 13.200 | Source estimate; revisable |
|---|
| March 1971 | 13.500 | Source estimate; revisable |
|---|
| February 1971 | 13.300 | Source estimate; revisable |
|---|
| January 1971 | 13.300 | Source estimate; revisable |
|---|
| December 1970 | 13.200 | Source estimate; revisable |
|---|
| November 1970 | 13.600 | Source estimate; revisable |
|---|
| October 1970 | 13.100 | Source estimate; revisable |
|---|
| September 1970 | 12.900 | Source estimate; revisable |
|---|
| August 1970 | 13.400 | Source estimate; revisable |
|---|
| July 1970 | 13.500 | Source estimate; revisable |
|---|
| June 1970 | 12.300 | Source estimate; revisable |
|---|
| May 1970 | 12.400 | Source estimate; revisable |
|---|
| April 1970 | 13.300 | Source estimate; revisable |
|---|
| March 1970 | 12.400 | Source estimate; revisable |
|---|
| February 1970 | 11.700 | Source estimate; revisable |
|---|
| January 1970 | 11.800 | Source estimate; revisable |
|---|
| December 1969 | 11.800 | Source estimate; revisable |
|---|
| November 1969 | 11.600 | Source estimate; revisable |
|---|
| October 1969 | 11.400 | Source estimate; revisable |
|---|
| September 1969 | 11.600 | Source estimate; revisable |
|---|
| August 1969 | 11.500 | Source estimate; revisable |
|---|
| July 1969 | 11.800 | Source estimate; revisable |
|---|
| June 1969 | 11.100 | Source estimate; revisable |
|---|
| May 1969 | 10.100 | Source estimate; revisable |
|---|
| April 1969 | 9.700 | Source estimate; revisable |
|---|
| March 1969 | 10.200 | Source estimate; revisable |
|---|
| February 1969 | 9.700 | Source estimate; revisable |
|---|
| January 1969 | 10.300 | Source estimate; revisable |
|---|
| December 1968 | 11.100 | Source estimate; revisable |
|---|
| November 1968 | 10.600 | Source estimate; revisable |
|---|
| October 1968 | 10.800 | Source estimate; revisable |
|---|
| September 1968 | 10.600 | Source estimate; revisable |
|---|
| August 1968 | 10.500 | Source estimate; revisable |
|---|
| July 1968 | 10.700 | Source estimate; revisable |
|---|
| June 1968 | 11.700 | Source estimate; revisable |
|---|
| May 1968 | 12.000 | Source estimate; revisable |
|---|
| April 1968 | 12.300 | Source estimate; revisable |
|---|
| March 1968 | 11.700 | Source estimate; revisable |
|---|
| February 1968 | 12.300 | Source estimate; revisable |
|---|
| January 1968 | 11.700 | Source estimate; revisable |
|---|
| December 1967 | 11.800 | Source estimate; revisable |
|---|
| November 1967 | 12.800 | Source estimate; revisable |
|---|
| October 1967 | 12.900 | Source estimate; revisable |
|---|
| September 1967 | 11.900 | Source estimate; revisable |
|---|
| August 1967 | 12.600 | Source estimate; revisable |
|---|
| July 1967 | 12.600 | Source estimate; revisable |
|---|
| June 1967 | 11.900 | Source estimate; revisable |
|---|
| May 1967 | 12.000 | Source estimate; revisable |
|---|
| April 1967 | 11.900 | Source estimate; revisable |
|---|
| March 1967 | 12.800 | Source estimate; revisable |
|---|
| February 1967 | 12.600 | Source estimate; revisable |
|---|
| January 1967 | 12.100 | Source estimate; revisable |
|---|
| December 1966 | 11.600 | Source estimate; revisable |
|---|
| November 1966 | 11.800 | Source estimate; revisable |
|---|
| October 1966 | 11.600 | Source estimate; revisable |
|---|
| September 1966 | 11.000 | Source estimate; revisable |
|---|
| August 1966 | 11.200 | Source estimate; revisable |
|---|
| July 1966 | 10.900 | Source estimate; revisable |
|---|
| June 1966 | 11.400 | Source estimate; revisable |
|---|
| May 1966 | 11.200 | Source estimate; revisable |
|---|
| April 1966 | 10.300 | Source estimate; revisable |
|---|
| March 1966 | 10.700 | Source estimate; revisable |
|---|
| February 1966 | 11.000 | Source estimate; revisable |
|---|
| January 1966 | 11.200 | Source estimate; revisable |
|---|
| December 1965 | 11.700 | Source estimate; revisable |
|---|
| November 1965 | 11.500 | Source estimate; revisable |
|---|
| October 1965 | 10.900 | Source estimate; revisable |
|---|
| September 1965 | 12.500 | Source estimate; revisable |
|---|
| August 1965 | 11.700 | Source estimate; revisable |
|---|
| July 1965 | 11.900 | Source estimate; revisable |
|---|
| June 1965 | 12.100 | Source estimate; revisable |
|---|
| May 1965 | 11.200 | Source estimate; revisable |
|---|
| April 1965 | 10.200 | Source estimate; revisable |
|---|
| March 1965 | 10.800 | Source estimate; revisable |
|---|
| February 1965 | 10.700 | Source estimate; revisable |
|---|
| January 1965 | 12.100 | Source estimate; revisable |
|---|
| December 1964 | 12.500 | Source estimate; revisable |
|---|
| November 1964 | 12.500 | Source estimate; revisable |
|---|
| October 1964 | 11.200 | Source estimate; revisable |
|---|
| September 1964 | 11.800 | Source estimate; revisable |
|---|
| August 1964 | 11.100 | Source estimate; revisable |
|---|
| July 1964 | 11.200 | Source estimate; revisable |
|---|
| June 1964 | 11.500 | Source estimate; revisable |
|---|
| May 1964 | 11.700 | Source estimate; revisable |
|---|
| April 1964 | 12.400 | Source estimate; revisable |
|---|
| March 1964 | 12.100 | Source estimate; revisable |
|---|
| February 1964 | 10.400 | Source estimate; revisable |
|---|
| January 1964 | 10.700 | Source estimate; revisable |
|---|
| December 1963 | 10.700 | Source estimate; revisable |
|---|
| November 1963 | 11.000 | Source estimate; revisable |
|---|
| October 1963 | 11.500 | Source estimate; revisable |
|---|
| September 1963 | 11.000 | Source estimate; revisable |
|---|
| August 1963 | 10.200 | Source estimate; revisable |
|---|
| July 1963 | 10.100 | Source estimate; revisable |
|---|
| June 1963 | 10.500 | Source estimate; revisable |
|---|
| May 1963 | 10.900 | Source estimate; revisable |
|---|
| April 1963 | 10.700 | Source estimate; revisable |
|---|
| March 1963 | 10.600 | Source estimate; revisable |
|---|
| February 1963 | 10.700 | Source estimate; revisable |
|---|
| January 1963 | 10.900 | Source estimate; revisable |
|---|
| December 1962 | 10.300 | Source estimate; revisable |
|---|
| November 1962 | 10.400 | Source estimate; revisable |
|---|
| October 1962 | 11.300 | Source estimate; revisable |
|---|
| September 1962 | 10.400 | Source estimate; revisable |
|---|
| August 1962 | 11.400 | Source estimate; revisable |
|---|
| July 1962 | 11.600 | Source estimate; revisable |
|---|
| June 1962 | 11.500 | Source estimate; revisable |
|---|
| May 1962 | 11.100 | Source estimate; revisable |
|---|
| April 1962 | 11.700 | Source estimate; revisable |
|---|
| March 1962 | 11.600 | Source estimate; revisable |
|---|
| February 1962 | 11.800 | Source estimate; revisable |
|---|
| January 1962 | 11.300 | Source estimate; revisable |
|---|
| December 1961 | 11.600 | Source estimate; revisable |
|---|
| November 1961 | 11.600 | Source estimate; revisable |
|---|
| October 1961 | 11.700 | Source estimate; revisable |
|---|
| September 1961 | 11.300 | Source estimate; revisable |
|---|
| August 1961 | 11.700 | Source estimate; revisable |
|---|
| July 1961 | 12.000 | Source estimate; revisable |
|---|
| June 1961 | 11.500 | Source estimate; revisable |
|---|
| May 1961 | 10.800 | Source estimate; revisable |
|---|
| April 1961 | 10.600 | Source estimate; revisable |
|---|
| March 1961 | 10.400 | Source estimate; revisable |
|---|
| February 1961 | 11.100 | Source estimate; revisable |
|---|
| January 1961 | 11.100 | Source estimate; revisable |
|---|
| December 1960 | 10.400 | Source estimate; revisable |
|---|
| November 1960 | 9.800 | Source estimate; revisable |
|---|
| October 1960 | 9.800 | Source estimate; revisable |
|---|
| September 1960 | 10.000 | Source estimate; revisable |
|---|
| August 1960 | 10.300 | Source estimate; revisable |
|---|
| July 1960 | 10.400 | Source estimate; revisable |
|---|
| June 1960 | 10.400 | Source estimate; revisable |
|---|
| May 1960 | 10.400 | Source estimate; revisable |
|---|
| April 1960 | 8.400 | Source estimate; revisable |
|---|
| March 1960 | 9.400 | Source estimate; revisable |
|---|
| February 1960 | 10.600 | Source estimate; revisable |
|---|
| January 1960 | 10.900 | Source estimate; revisable |
|---|
| December 1959 | 11.000 | Source estimate; revisable |
|---|
| November 1959 | 10.100 | Source estimate; revisable |
|---|
| October 1959 | 9.400 | Source estimate; revisable |
|---|
| September 1959 | 8.700 | Source estimate; revisable |
|---|
| August 1959 | 9.600 | Source estimate; revisable |
|---|
| July 1959 | 10.700 | Source estimate; revisable |
|---|
| June 1959 | 10.500 | Source estimate; revisable |
|---|
| May 1959 | 10.600 | Source estimate; revisable |
|---|
| April 1959 | 11.200 | Source estimate; revisable |
|---|
| March 1959 | 10.300 | Source estimate; revisable |
|---|
| February 1959 | 10.600 | Source estimate; revisable |
|---|
| January 1959 | 11.300 | Source estimate; revisable |
|---|