| Date | Value Value |
|---|---|
| Apr 1, 2023 | 60.40% |
| Mar 1, 2023 | 60.40% |
| Feb 1, 2023 | 60.20% |
| Jan 1, 2023 | 60.20% |
| Dec 1, 2022 | 60.10% |
| Nov 1, 2022 | 59.90% |
| Oct 1, 2022 | 60.00% |
| Sep 1, 2022 | 60.10% |
| Aug 1, 2022 | 60.10% |
| Jul 1, 2022 | 59.90% |
| Jun 1, 2022 | 59.90% |
| May 1, 2022 | 60.00% |
| Apr 1, 2022 | 59.90% |
| Mar 1, 2022 | 60.10% |
| Feb 1, 2022 | 59.80% |
| Jan 1, 2022 | 59.70% |
| Dec 1, 2021 | 59.50% |
| Nov 1, 2021 | 59.40% |
| Oct 1, 2021 | 59.00% |
| Sep 1, 2021 | 58.80% |
| Aug 1, 2021 | 58.60% |
| Jul 1, 2021 | 58.40% |
| Jun 1, 2021 | 58.00% |
| May 1, 2021 | 58.00% |
| Apr 1, 2021 | 57.90% |
| Mar 1, 2021 | 57.80% |
| Feb 1, 2021 | 57.60% |
| Jan 1, 2021 | 57.50% |
| Dec 1, 2020 | 57.40% |
| Nov 1, 2020 | 57.40% |
| Oct 1, 2020 | 57.40% |
| Sep 1, 2020 | 56.60% |
| Aug 1, 2020 | 56.50% |
| Jul 1, 2020 | 55.20% |
| Jun 1, 2020 | 54.70% |
| May 1, 2020 | 52.70% |
| Apr 1, 2020 | 51.30% |
| Mar 1, 2020 | 59.80% |
| Feb 1, 2020 | 61.10% |
| Jan 1, 2020 | 61.10% |
| Dec 1, 2019 | 61.00% |
| Nov 1, 2019 | 61.00% |
| Oct 1, 2019 | 61.00% |
| Sep 1, 2019 | 61.00% |
| Aug 1, 2019 | 60.80% |
| Jul 1, 2019 | 60.80% |
| Jun 1, 2019 | 60.70% |
| May 1, 2019 | 60.60% |
| Apr 1, 2019 | 60.60% |
| Mar 1, 2019 | 60.60% |
| Feb 1, 2019 | 60.70% |
| Jan 1, 2019 | 60.60% |
| Dec 1, 2018 | 60.60% |
| Nov 1, 2018 | 60.60% |
| Oct 1, 2018 | 60.50% |
| Sep 1, 2018 | 60.40% |
| Aug 1, 2018 | 60.30% |
| Jul 1, 2018 | 60.60% |
| Jun 1, 2018 | 60.50% |
| May 1, 2018 | 60.50% |
| Apr 1, 2018 | 60.40% |
| Mar 1, 2018 | 60.40% |
| Feb 1, 2018 | 60.40% |
| Jan 1, 2018 | 60.10% |
| Dec 1, 2017 | 60.10% |
| Nov 1, 2017 | 60.10% |
| Oct 1, 2017 | 60.10% |
| Sep 1, 2017 | 60.40% |
| Aug 1, 2017 | 60.10% |
| Jul 1, 2017 | 60.20% |
| Jun 1, 2017 | 60.10% |
| May 1, 2017 | 60.10% |
| Apr 1, 2017 | 60.20% |
| Mar 1, 2017 | 60.20% |
| Feb 1, 2017 | 60.00% |
| Jan 1, 2017 | 59.90% |
| Dec 1, 2016 | 59.70% |
| Nov 1, 2016 | 59.70% |
| Oct 1, 2016 | 59.70% |
| Sep 1, 2016 | 59.70% |
| Aug 1, 2016 | 59.80% |
| Jul 1, 2016 | 59.80% |
| Jun 1, 2016 | 59.70% |
| May 1, 2016 | 59.70% |
| Apr 1, 2016 | 59.70% |
| Mar 1, 2016 | 59.80% |
| Feb 1, 2016 | 59.80% |
| Jan 1, 2016 | 59.70% |
| Dec 1, 2015 | 59.60% |
| Nov 1, 2015 | 59.40% |
| Oct 1, 2015 | 59.30% |
| Sep 1, 2015 | 59.20% |
| Aug 1, 2015 | 59.40% |
| Jul 1, 2015 | 59.30% |
| Jun 1, 2015 | 59.40% |
| May 1, 2015 | 59.40% |
| Apr 1, 2015 | 59.30% |
| Mar 1, 2015 | 59.20% |
| Feb 1, 2015 | 59.20% |
| Jan 1, 2015 | 59.30% |
| Dec 1, 2014 | 59.30% |
| Nov 1, 2014 | 59.20% |
| Oct 1, 2014 | 59.30% |
| Sep 1, 2014 | 59.10% |
| Aug 1, 2014 | 59.00% |
| Jul 1, 2014 | 59.00% |
| Jun 1, 2014 | 59.00% |
| May 1, 2014 | 58.90% |
| Apr 1, 2014 | 58.90% |
| Mar 1, 2014 | 58.90% |
| Feb 1, 2014 | 58.70% |
| Jan 1, 2014 | 58.80% |
| Dec 1, 2013 | 58.70% |
| Nov 1, 2013 | 58.60% |
| Oct 1, 2013 | 58.30% |
| Sep 1, 2013 | 58.70% |
| Aug 1, 2013 | 58.70% |
| Jul 1, 2013 | 58.70% |
| Jun 1, 2013 | 58.60% |
| May 1, 2013 | 58.60% |
| Apr 1, 2013 | 58.60% |
| Mar 1, 2013 | 58.50% |
| Feb 1, 2013 | 58.60% |
| Jan 1, 2013 | 58.60% |
| Dec 1, 2012 | 58.70% |
| Nov 1, 2012 | 58.70% |
| Oct 1, 2012 | 58.80% |
| Sep 1, 2012 | 58.70% |
| Aug 1, 2012 | 58.40% |
| Jul 1, 2012 | 58.50% |
| Jun 1, 2012 | 58.60% |
| May 1, 2012 | 58.50% |
| Apr 1, 2012 | 58.40% |
| Mar 1, 2012 | 58.50% |
| Feb 1, 2012 | 58.50% |
| Jan 1, 2012 | 58.40% |
| Dec 1, 2011 | 58.60% |
| Nov 1, 2011 | 58.60% |
| Oct 1, 2011 | 58.40% |
| Sep 1, 2011 | 58.40% |
| Aug 1, 2011 | 58.30% |
| Jul 1, 2011 | 58.20% |
| Jun 1, 2011 | 58.20% |
| May 1, 2011 | 58.30% |
| Apr 1, 2011 | 58.40% |
| Mar 1, 2011 | 58.40% |
| Feb 1, 2011 | 58.40% |
| Jan 1, 2011 | 58.30% |
| Dec 1, 2010 | 58.30% |
| Nov 1, 2010 | 58.20% |
| Oct 1, 2010 | 58.30% |
| Sep 1, 2010 | 58.50% |
| Aug 1, 2010 | 58.60% |
| Jul 1, 2010 | 58.50% |
| Jun 1, 2010 | 58.50% |
| May 1, 2010 | 58.60% |
| Apr 1, 2010 | 58.70% |
| Mar 1, 2010 | 58.50% |
| Feb 1, 2010 | 58.50% |
| Jan 1, 2010 | 58.50% |
| Dec 1, 2009 | 58.30% |
| Nov 1, 2009 | 58.60% |
| Oct 1, 2009 | 58.50% |
| Sep 1, 2009 | 58.70% |
| Aug 1, 2009 | 59.10% |
| Jul 1, 2009 | 59.30% |
| Jun 1, 2009 | 59.40% |
| May 1, 2009 | 59.60% |
| Apr 1, 2009 | 59.80% |
| Mar 1, 2009 | 59.90% |
| Feb 1, 2009 | 60.30% |
| Jan 1, 2009 | 60.60% |
| Dec 1, 2008 | 61.00% |
| Nov 1, 2008 | 61.40% |
| Oct 1, 2008 | 61.70% |
| Sep 1, 2008 | 61.90% |
| Aug 1, 2008 | 62.00% |
| Jul 1, 2008 | 62.20% |
| Jun 1, 2008 | 62.40% |
| May 1, 2008 | 62.50% |
| Apr 1, 2008 | 62.70% |
| Mar 1, 2008 | 62.70% |
| Feb 1, 2008 | 62.80% |
| Jan 1, 2008 | 62.90% |
| Dec 1, 2007 | 62.70% |
| Nov 1, 2007 | 62.90% |
| Oct 1, 2007 | 62.70% |
| Sep 1, 2007 | 62.90% |
| Aug 1, 2007 | 62.70% |
| Jul 1, 2007 | 62.90% |
| Jun 1, 2007 | 63.00% |
| May 1, 2007 | 63.00% |
| Apr 1, 2007 | 63.00% |
| Mar 1, 2007 | 63.30% |
| Feb 1, 2007 | 63.30% |
| Jan 1, 2007 | 63.30% |
| Dec 1, 2006 | 63.40% |
| Nov 1, 2006 | 63.30% |
| Oct 1, 2006 | 63.30% |
| Sep 1, 2006 | 63.10% |
| Aug 1, 2006 | 63.10% |
| Jul 1, 2006 | 63.00% |
| Jun 1, 2006 | 63.10% |
| May 1, 2006 | 63.10% |
| Apr 1, 2006 | 63.00% |
| Mar 1, 2006 | 63.10% |
| Feb 1, 2006 | 63.00% |
| Jan 1, 2006 | 62.90% |
| Dec 1, 2005 | 62.80% |
| Nov 1, 2005 | 62.70% |
| Oct 1, 2005 | 62.80% |
| Sep 1, 2005 | 62.80% |
| Aug 1, 2005 | 62.90% |
| Jul 1, 2005 | 62.80% |
| Jun 1, 2005 | 62.70% |
| May 1, 2005 | 62.80% |
| Apr 1, 2005 | 62.70% |
| Mar 1, 2005 | 62.40% |
| Feb 1, 2005 | 62.40% |
| Jan 1, 2005 | 62.40% |
| Dec 1, 2004 | 62.40% |
| Nov 1, 2004 | 62.50% |
| Oct 1, 2004 | 62.30% |
| Sep 1, 2004 | 62.30% |
| Aug 1, 2004 | 62.40% |
| Jul 1, 2004 | 62.50% |
| Jun 1, 2004 | 62.40% |
| May 1, 2004 | 62.30% |
| Apr 1, 2004 | 62.30% |
| Mar 1, 2004 | 62.20% |
| Feb 1, 2004 | 62.30% |
| Jan 1, 2004 | 62.30% |
| Dec 1, 2003 | 62.20% |
| Nov 1, 2003 | 62.30% |
| Oct 1, 2003 | 62.10% |
| Sep 1, 2003 | 62.00% |
| Aug 1, 2003 | 62.10% |
| Jul 1, 2003 | 62.10% |
| Jun 1, 2003 | 62.30% |
| May 1, 2003 | 62.30% |
| Apr 1, 2003 | 62.40% |
| Mar 1, 2003 | 62.40% |
| Feb 1, 2003 | 62.50% |
| Jan 1, 2003 | 62.50% |
| Dec 1, 2002 | 62.40% |
| Nov 1, 2002 | 62.50% |
| Oct 1, 2002 | 62.70% |
| Sep 1, 2002 | 63.00% |
| Aug 1, 2002 | 62.70% |
| Jul 1, 2002 | 62.70% |
| Jun 1, 2002 | 62.70% |
| May 1, 2002 | 62.90% |
| Apr 1, 2002 | 62.70% |
| Mar 1, 2002 | 62.80% |
| Feb 1, 2002 | 63.00% |
| Jan 1, 2002 | 62.70% |
| Dec 1, 2001 | 62.90% |
| Nov 1, 2001 | 63.00% |
| Oct 1, 2001 | 63.20% |
| Sep 1, 2001 | 63.50% |
| Aug 1, 2001 | 63.20% |
| Jul 1, 2001 | 63.70% |
| Jun 1, 2001 | 63.70% |
| May 1, 2001 | 63.80% |
| Apr 1, 2001 | 64.00% |
| Mar 1, 2001 | 64.30% |
| Feb 1, 2001 | 64.30% |
| Jan 1, 2001 | 64.40% |
| Dec 1, 2000 | 64.40% |
| Nov 1, 2000 | 64.30% |
| Oct 1, 2000 | 64.20% |
| Sep 1, 2000 | 64.20% |
| Aug 1, 2000 | 64.20% |
| Jul 1, 2000 | 64.20% |
| Jun 1, 2000 | 64.50% |
| May 1, 2000 | 64.40% |
| Apr 1, 2000 | 64.70% |
| Mar 1, 2000 | 64.60% |
| Feb 1, 2000 | 64.60% |
| Jan 1, 2000 | 64.60% |
| Dec 1, 1999 | 64.40% |
| Nov 1, 1999 | 64.40% |
| Oct 1, 1999 | 64.30% |
| Sep 1, 1999 | 64.20% |
| Aug 1, 1999 | 64.20% |
| Jul 1, 1999 | 64.20% |
| Jun 1, 1999 | 64.20% |
| May 1, 1999 | 64.30% |
| Apr 1, 1999 | 64.20% |
| Mar 1, 1999 | 64.20% |
| Feb 1, 1999 | 64.20% |
| Jan 1, 1999 | 64.40% |
| Dec 1, 1998 | 64.30% |
| Nov 1, 1998 | 64.20% |
| Oct 1, 1998 | 64.10% |
| Sep 1, 1998 | 64.20% |
| Aug 1, 1998 | 63.90% |
| Jul 1, 1998 | 64.00% |
| Jun 1, 1998 | 64.00% |
| May 1, 1998 | 64.10% |
| Apr 1, 1998 | 64.10% |
| Mar 1, 1998 | 64.00% |
| Feb 1, 1998 | 64.00% |
| Jan 1, 1998 | 64.00% |
| Dec 1, 1997 | 64.00% |
| Nov 1, 1997 | 64.10% |
| Oct 1, 1997 | 63.90% |
| Sep 1, 1997 | 63.90% |
| Aug 1, 1997 | 63.90% |
| Jul 1, 1997 | 63.90% |
| Jun 1, 1997 | 63.70% |
| May 1, 1997 | 63.80% |
| Apr 1, 1997 | 63.70% |
| Mar 1, 1997 | 63.60% |
| Feb 1, 1997 | 63.40% |
| Jan 1, 1997 | 63.40% |
| Dec 1, 1996 | 63.40% |
| Nov 1, 1996 | 63.40% |
| Oct 1, 1996 | 63.50% |
| Sep 1, 1996 | 63.40% |
| Aug 1, 1996 | 63.30% |
| Jul 1, 1996 | 63.30% |
| Jun 1, 1996 | 63.20% |
| May 1, 1996 | 63.00% |
| Apr 1, 1996 | 63.00% |
| Mar 1, 1996 | 63.00% |
| Feb 1, 1996 | 62.90% |
| Jan 1, 1996 | 62.70% |
| Dec 1, 1995 | 62.70% |
| Nov 1, 1995 | 62.80% |
| Oct 1, 1995 | 62.90% |
| Sep 1, 1995 | 62.90% |
| Aug 1, 1995 | 62.80% |
| Jul 1, 1995 | 62.80% |
| Jun 1, 1995 | 62.70% |
| May 1, 1995 | 62.70% |
| Apr 1, 1995 | 63.10% |
| Mar 1, 1995 | 63.10% |
| Feb 1, 1995 | 63.10% |
| Jan 1, 1995 | 63.00% |
| Dec 1, 1994 | 63.10% |
| Nov 1, 1994 | 63.00% |
| Oct 1, 1994 | 62.90% |
| Sep 1, 1994 | 62.70% |
| Aug 1, 1994 | 62.60% |
| Jul 1, 1994 | 62.30% |
| Jun 1, 1994 | 62.30% |
| May 1, 1994 | 62.50% |
| Apr 1, 1994 | 62.30% |
| Mar 1, 1994 | 62.10% |
| Feb 1, 1994 | 62.30% |
| Jan 1, 1994 | 62.20% |
| Dec 1, 1993 | 62.00% |
| Nov 1, 1993 | 61.90% |
| Oct 1, 1993 | 61.80% |
| Sep 1, 1993 | 61.70% |
| Aug 1, 1993 | 62.00% |
| Jul 1, 1993 | 61.80% |
| Jun 1, 1993 | 61.80% |
| May 1, 1993 | 61.70% |
| Apr 1, 1993 | 61.50% |
| Mar 1, 1993 | 61.50% |
| Feb 1, 1993 | 61.40% |
| Jan 1, 1993 | 61.40% |
| Dec 1, 1992 | 61.40% |
| Nov 1, 1992 | 61.40% |
| Oct 1, 1992 | 61.30% |
| Sep 1, 1992 | 61.40% |
| Aug 1, 1992 | 61.60% |
| Jul 1, 1992 | 61.60% |
| Jun 1, 1992 | 61.50% |
| May 1, 1992 | 61.50% |
| Apr 1, 1992 | 61.60% |
| Mar 1, 1992 | 61.50% |
| Feb 1, 1992 | 61.30% |
| Jan 1, 1992 | 61.50% |
| Dec 1, 1991 | 61.20% |
| Nov 1, 1991 | 61.40% |
| Oct 1, 1991 | 61.50% |
| Sep 1, 1991 | 61.60% |
| Aug 1, 1991 | 61.50% |
| Jul 1, 1991 | 61.60% |
| Jun 1, 1991 | 61.70% |
| May 1, 1991 | 61.60% |
| Apr 1, 1991 | 62.00% |
| Mar 1, 1991 | 61.80% |
| Feb 1, 1991 | 61.90% |
| Jan 1, 1991 | 62.00% |
| Dec 1, 1990 | 62.20% |
| Nov 1, 1990 | 62.30% |
| Oct 1, 1990 | 62.50% |
| Sep 1, 1990 | 62.50% |
| Aug 1, 1990 | 62.70% |
| Jul 1, 1990 | 62.80% |
| Jun 1, 1990 | 62.90% |
| May 1, 1990 | 63.10% |
| Apr 1, 1990 | 63.00% |
| Mar 1, 1990 | 63.20% |
| Feb 1, 1990 | 63.20% |
| Jan 1, 1990 | 63.20% |
| Dec 1, 1989 | 63.00% |
| Nov 1, 1989 | 63.00% |
| Oct 1, 1989 | 62.90% |
| Sep 1, 1989 | 62.80% |
| Aug 1, 1989 | 63.10% |
| Jul 1, 1989 | 63.00% |
| Jun 1, 1989 | 63.00% |
| May 1, 1989 | 62.90% |
| Apr 1, 1989 | 62.90% |
| Mar 1, 1989 | 62.90% |
| Feb 1, 1989 | 62.90% |
| Jan 1, 1989 | 62.90% |
| Dec 1, 1988 | 62.60% |
| Nov 1, 1988 | 62.70% |
| Oct 1, 1988 | 62.50% |
| Sep 1, 1988 | 62.40% |
| Aug 1, 1988 | 62.40% |
| Jul 1, 1988 | 62.30% |
| Jun 1, 1988 | 62.30% |
| May 1, 1988 | 62.00% |
| Apr 1, 1988 | 62.20% |
| Mar 1, 1988 | 61.90% |
| Feb 1, 1988 | 62.10% |
| Jan 1, 1988 | 62.00% |
| Dec 1, 1987 | 62.00% |
| Nov 1, 1987 | 61.90% |
| Oct 1, 1987 | 61.80% |
| Sep 1, 1987 | 61.60% |
| Aug 1, 1987 | 61.80% |
| Jul 1, 1987 | 61.60% |
| Jun 1, 1987 | 61.40% |
| May 1, 1987 | 61.60% |
| Apr 1, 1987 | 61.30% |
| Mar 1, 1987 | 61.20% |
| Feb 1, 1987 | 61.10% |
| Jan 1, 1987 | 61.00% |
| Dec 1, 1986 | 61.00% |
| Nov 1, 1986 | 60.90% |
| Oct 1, 1986 | 60.90% |
| Sep 1, 1986 | 60.80% |
| Aug 1, 1986 | 60.80% |
| Jul 1, 1986 | 60.80% |
| Jun 1, 1986 | 60.70% |
| May 1, 1986 | 60.50% |
| Apr 1, 1986 | 60.50% |
| Mar 1, 1986 | 60.50% |
| Feb 1, 1986 | 60.30% |
| Jan 1, 1986 | 60.60% |
| Dec 1, 1985 | 60.40% |
| Nov 1, 1985 | 60.40% |
| Oct 1, 1985 | 60.30% |
| Sep 1, 1985 | 60.30% |
| Aug 1, 1985 | 60.00% |
| Jul 1, 1985 | 59.90% |
| Jun 1, 1985 | 59.80% |
| May 1, 1985 | 60.10% |
| Apr 1, 1985 | 60.10% |
| Mar 1, 1985 | 60.20% |
| Feb 1, 1985 | 60.00% |
| Jan 1, 1985 | 59.90% |
| Dec 1, 1984 | 59.90% |
| Nov 1, 1984 | 59.80% |
| Oct 1, 1984 | 59.70% |
| Sep 1, 1984 | 59.70% |
| Aug 1, 1984 | 59.60% |
| Jul 1, 1984 | 59.80% |
| Jun 1, 1984 | 59.90% |
| May 1, 1984 | 59.70% |
| Apr 1, 1984 | 59.30% |
| Mar 1, 1984 | 59.10% |
| Feb 1, 1984 | 59.10% |
| Jan 1, 1984 | 58.80% |
| Dec 1, 1983 | 58.80% |
| Nov 1, 1983 | 58.70% |
| Oct 1, 1983 | 58.40% |
| Sep 1, 1983 | 58.40% |
| Aug 1, 1983 | 58.20% |
| Jul 1, 1983 | 58.10% |
| Jun 1, 1983 | 57.80% |
| May 1, 1983 | 57.30% |
| Apr 1, 1983 | 57.30% |
| Mar 1, 1983 | 57.10% |
| Feb 1, 1983 | 57.10% |
| Jan 1, 1983 | 57.20% |
| Dec 1, 1982 | 57.20% |
| Nov 1, 1982 | 57.30% |
| Oct 1, 1982 | 57.40% |
| Sep 1, 1982 | 57.60% |
| Aug 1, 1982 | 57.80% |
| Jul 1, 1982 | 57.70% |
| Jun 1, 1982 | 57.80% |
| May 1, 1982 | 58.20% |
| Apr 1, 1982 | 57.90% |
| Mar 1, 1982 | 58.10% |
| Feb 1, 1982 | 58.20% |
| Jan 1, 1982 | 58.20% |
| Dec 1, 1981 | 58.20% |
| Nov 1, 1981 | 58.60% |
| Oct 1, 1981 | 58.80% |
| Sep 1, 1981 | 58.70% |
| Aug 1, 1981 | 59.10% |
| Jul 1, 1981 | 59.10% |
| Jun 1, 1981 | 59.00% |
| May 1, 1981 | 59.50% |
| Apr 1, 1981 | 59.60% |
| Mar 1, 1981 | 59.40% |
| Feb 1, 1981 | 59.20% |
| Jan 1, 1981 | 59.10% |
| Dec 1, 1980 | 59.00% |
| Nov 1, 1980 | 59.00% |
| Oct 1, 1980 | 58.90% |
| Sep 1, 1980 | 58.90% |
| Aug 1, 1980 | 58.80% |
| Jul 1, 1980 | 58.80% |
| Jun 1, 1980 | 58.90% |
| May 1, 1980 | 59.10% |
| Apr 1, 1980 | 59.40% |
| Mar 1, 1980 | 59.70% |
| Feb 1, 1980 | 60.00% |
| Jan 1, 1980 | 60.00% |
| Dec 1, 1979 | 60.10% |
| Nov 1, 1979 | 60.00% |
| Oct 1, 1979 | 59.90% |
| Sep 1, 1979 | 60.00% |
| Aug 1, 1979 | 59.80% |
| Jul 1, 1979 | 60.00% |
| Jun 1, 1979 | 59.90% |
| May 1, 1979 | 59.80% |
| Apr 1, 1979 | 59.80% |
| Mar 1, 1979 | 60.00% |
| Feb 1, 1979 | 60.10% |
| Jan 1, 1979 | 59.90% |
| Dec 1, 1978 | 59.80% |
| Nov 1, 1978 | 59.80% |
| Oct 1, 1978 | 59.70% |
| Sep 1, 1978 | 59.50% |
| Aug 1, 1978 | 59.40% |
| Jul 1, 1978 | 59.30% |
| Jun 1, 1978 | 59.50% |
| May 1, 1978 | 59.30% |
| Apr 1, 1978 | 59.20% |
| Mar 1, 1978 | 58.80% |
| Feb 1, 1978 | 58.80% |
| Jan 1, 1978 | 58.80% |
| Dec 1, 1977 | 58.70% |
| Nov 1, 1977 | 58.60% |
| Oct 1, 1977 | 58.20% |
| Sep 1, 1977 | 58.10% |
| Aug 1, 1977 | 58.00% |
| Jul 1, 1977 | 57.80% |
| Jun 1, 1977 | 57.90% |
| May 1, 1977 | 57.80% |
| Apr 1, 1977 | 57.60% |
| Mar 1, 1977 | 57.40% |
| Feb 1, 1977 | 57.20% |
| Jan 1, 1977 | 57.00% |
| Dec 1, 1976 | 57.00% |
| Nov 1, 1976 | 57.00% |
| Oct 1, 1976 | 56.90% |
| Sep 1, 1976 | 56.90% |
| Aug 1, 1976 | 57.00% |
| Jul 1, 1976 | 57.00% |
| Jun 1, 1976 | 56.80% |
| May 1, 1976 | 57.00% |
| Apr 1, 1976 | 56.80% |
| Mar 1, 1976 | 56.70% |
| Feb 1, 1976 | 56.50% |
| Jan 1, 1976 | 56.40% |
| Dec 1, 1975 | 56.10% |
| Nov 1, 1975 | 56.00% |
| Oct 1, 1975 | 56.10% |
| Sep 1, 1975 | 56.10% |
| Aug 1, 1975 | 56.10% |
| Jul 1, 1975 | 56.00% |
| Jun 1, 1975 | 55.80% |
| May 1, 1975 | 56.00% |
| Apr 1, 1975 | 55.90% |
| Mar 1, 1975 | 56.00% |
| Feb 1, 1975 | 56.10% |
| Jan 1, 1975 | 56.40% |
| Dec 1, 1974 | 56.90% |
| Nov 1, 1974 | 57.30% |
| Oct 1, 1974 | 57.60% |
| Sep 1, 1974 | 57.70% |
| Aug 1, 1974 | 57.80% |
| Jul 1, 1974 | 58.00% |
| Jun 1, 1974 | 58.00% |
| May 1, 1974 | 58.00% |
| Apr 1, 1974 | 58.00% |
| Mar 1, 1974 | 58.20% |
| Feb 1, 1974 | 58.20% |
| Jan 1, 1974 | 58.20% |
| Dec 1, 1973 | 58.20% |
| Nov 1, 1973 | 58.20% |
| Oct 1, 1973 | 58.10% |
| Sep 1, 1973 | 57.90% |
| Aug 1, 1973 | 57.80% |
| Jul 1, 1973 | 57.90% |
| Jun 1, 1973 | 58.00% |
| May 1, 1973 | 57.70% |
| Apr 1, 1973 | 57.70% |
| Mar 1, 1973 | 57.80% |
| Feb 1, 1973 | 57.50% |
| Jan 1, 1973 | 57.10% |
| Dec 1, 1972 | 57.30% |
| Nov 1, 1972 | 57.20% |
| Oct 1, 1972 | 57.00% |
| Sep 1, 1972 | 57.00% |
| Aug 1, 1972 | 57.10% |
| Jul 1, 1972 | 57.00% |
| Jun 1, 1972 | 57.00% |
| May 1, 1972 | 57.00% |
| Apr 1, 1972 | 56.90% |
| Mar 1, 1972 | 56.90% |
| Feb 1, 1972 | 56.70% |
| Jan 1, 1972 | 56.70% |
| Dec 1, 1971 | 56.80% |
| Nov 1, 1971 | 56.80% |
| Oct 1, 1971 | 56.60% |
| Sep 1, 1971 | 56.60% |
| Aug 1, 1971 | 56.60% |
| Jul 1, 1971 | 56.50% |
| Jun 1, 1971 | 56.20% |
| May 1, 1971 | 56.60% |
| Apr 1, 1971 | 56.60% |
| Mar 1, 1971 | 56.40% |
| Feb 1, 1971 | 56.60% |
| Jan 1, 1971 | 56.80% |
| Dec 1, 1970 | 56.70% |
| Nov 1, 1970 | 56.90% |
| Oct 1, 1970 | 57.00% |
| Sep 1, 1970 | 57.00% |
| Aug 1, 1970 | 57.20% |
| Jul 1, 1970 | 57.40% |
| Jun 1, 1970 | 57.30% |
| May 1, 1970 | 57.50% |
| Apr 1, 1970 | 57.90% |
| Mar 1, 1970 | 57.90% |
| Feb 1, 1970 | 57.90% |
| Jan 1, 1970 | 58.00% |
| Dec 1, 1969 | 58.10% |
| Nov 1, 1969 | 58.10% |
| Oct 1, 1969 | 58.10% |
| Sep 1, 1969 | 58.10% |
| Aug 1, 1969 | 58.10% |
| Jul 1, 1969 | 58.00% |
| Jun 1, 1969 | 58.00% |
| May 1, 1969 | 57.80% |
| Apr 1, 1969 | 57.90% |
| Mar 1, 1969 | 57.90% |
| Feb 1, 1969 | 57.90% |
| Jan 1, 1969 | 57.60% |
| Dec 1, 1968 | 57.70% |
| Nov 1, 1968 | 57.60% |
| Oct 1, 1968 | 57.50% |
| Sep 1, 1968 | 57.50% |
| Aug 1, 1968 | 57.50% |
| Jul 1, 1968 | 57.60% |
| Jun 1, 1968 | 57.80% |
| May 1, 1968 | 57.80% |
| Apr 1, 1968 | 57.40% |
| Mar 1, 1968 | 57.40% |
| Feb 1, 1968 | 57.30% |
| Jan 1, 1968 | 57.00% |
| Dec 1, 1967 | 57.60% |
| Nov 1, 1967 | 57.50% |
| Oct 1, 1967 | 57.50% |
| Sep 1, 1967 | 57.40% |
| Aug 1, 1967 | 57.40% |
| Jul 1, 1967 | 57.40% |
| Jun 1, 1967 | 57.30% |
| May 1, 1967 | 57.00% |
| Apr 1, 1967 | 57.10% |
| Mar 1, 1967 | 56.80% |
| Feb 1, 1967 | 57.00% |
| Jan 1, 1967 | 57.10% |
| Dec 1, 1966 | 57.30% |
| Nov 1, 1966 | 57.40% |
| Oct 1, 1966 | 57.10% |
| Sep 1, 1966 | 57.10% |
| Aug 1, 1966 | 57.00% |
| Jul 1, 1966 | 56.90% |
| Jun 1, 1966 | 56.90% |
| May 1, 1966 | 56.70% |
| Apr 1, 1966 | 56.80% |
| Mar 1, 1966 | 56.60% |
| Feb 1, 1966 | 56.60% |
| Jan 1, 1966 | 56.70% |
| Dec 1, 1965 | 56.60% |
| Nov 1, 1965 | 56.40% |
| Oct 1, 1965 | 56.40% |
| Sep 1, 1965 | 56.20% |
| Aug 1, 1965 | 56.30% |
| Jul 1, 1965 | 56.50% |
| Jun 1, 1965 | 56.10% |
| May 1, 1965 | 56.20% |
| Apr 1, 1965 | 56.00% |
| Mar 1, 1965 | 55.90% |
| Feb 1, 1965 | 55.70% |
| Jan 1, 1965 | 55.70% |
| Dec 1, 1964 | 55.60% |
| Nov 1, 1964 | 55.70% |
| Oct 1, 1964 | 55.60% |
| Sep 1, 1964 | 55.70% |
| Aug 1, 1964 | 55.70% |
| Jul 1, 1964 | 55.70% |
| Jun 1, 1964 | 55.60% |
| May 1, 1964 | 56.10% |
| Apr 1, 1964 | 55.90% |
| Mar 1, 1964 | 55.50% |
| Feb 1, 1964 | 55.60% |
| Jan 1, 1964 | 55.30% |
| Dec 1, 1963 | 55.30% |
| Nov 1, 1963 | 55.40% |
| Oct 1, 1963 | 55.50% |
| Sep 1, 1963 | 55.50% |
| Aug 1, 1963 | 55.40% |
| Jul 1, 1963 | 55.40% |
| Jun 1, 1963 | 55.30% |
| May 1, 1963 | 55.30% |
| Apr 1, 1963 | 55.50% |
| Mar 1, 1963 | 55.30% |
| Feb 1, 1963 | 55.10% |
| Jan 1, 1963 | 55.20% |
| Dec 1, 1962 | 55.20% |
| Nov 1, 1962 | 55.20% |
| Oct 1, 1962 | 55.50% |
| Sep 1, 1962 | 55.70% |
| Aug 1, 1962 | 55.70% |
| Jul 1, 1962 | 55.30% |
| Jun 1, 1962 | 55.60% |
| May 1, 1962 | 55.70% |
| Apr 1, 1962 | 55.40% |
| Mar 1, 1962 | 55.70% |
| Feb 1, 1962 | 55.70% |
| Jan 1, 1962 | 55.40% |
| Dec 1, 1961 | 55.30% |
| Nov 1, 1961 | 55.50% |
| Oct 1, 1961 | 55.30% |
| Sep 1, 1961 | 55.00% |
| Aug 1, 1961 | 55.30% |
| Jul 1, 1961 | 55.20% |
| Jun 1, 1961 | 55.60% |
| May 1, 1961 | 55.20% |
| Apr 1, 1961 | 55.20% |
| Mar 1, 1961 | 55.60% |
| Feb 1, 1961 | 55.50% |
| Jan 1, 1961 | 55.70% |
| Dec 1, 1960 | 55.70% |
| Nov 1, 1960 | 56.10% |
| Oct 1, 1960 | 55.80% |
| Sep 1, 1960 | 56.40% |
| Aug 1, 1960 | 56.10% |
| Jul 1, 1960 | 56.20% |
| Jun 1, 1960 | 56.50% |
| May 1, 1960 | 56.40% |
| Apr 1, 1960 | 56.40% |
| Mar 1, 1960 | 55.40% |
| Feb 1, 1960 | 56.20% |
| Jan 1, 1960 | 56.00% |
| Dec 1, 1959 | 56.30% |
| Nov 1, 1959 | 55.70% |
| Oct 1, 1959 | 56.10% |
| Sep 1, 1959 | 56.00% |
| Aug 1, 1959 | 56.10% |
| Jul 1, 1959 | 56.30% |
| Jun 1, 1959 | 56.30% |
| May 1, 1959 | 56.20% |
| Apr 1, 1959 | 56.30% |
| Mar 1, 1959 | 56.00% |
| Feb 1, 1959 | 55.50% |
| Jan 1, 1959 | 55.70% |
| Dec 1, 1958 | 55.50% |
| Nov 1, 1958 | 55.50% |
| Oct 1, 1958 | 55.60% |
| Sep 1, 1958 | 55.40% |
| Aug 1, 1958 | 55.40% |
| Jul 1, 1958 | 55.20% |
| Jun 1, 1958 | 55.20% |
| May 1, 1958 | 55.40% |
| Apr 1, 1958 | 55.20% |
| Mar 1, 1958 | 55.30% |
| Feb 1, 1958 | 55.50% |
| Jan 1, 1958 | 55.90% |
| Dec 1, 1957 | 56.60% |
| Nov 1, 1957 | 56.40% |
| Oct 1, 1957 | 56.80% |
| Sep 1, 1957 | 57.00% |
| Aug 1, 1957 | 56.90% |
| Jul 1, 1957 | 57.50% |
| Jun 1, 1957 | 57.20% |
| May 1, 1957 | 57.10% |
| Apr 1, 1957 | 57.20% |
| Mar 1, 1957 | 57.60% |
| Feb 1, 1957 | 57.50% |
| Jan 1, 1957 | 57.00% |
| Dec 1, 1956 | 57.30% |
| Nov 1, 1956 | 57.30% |
| Oct 1, 1956 | 57.50% |
| Sep 1, 1956 | 57.60% |
| Aug 1, 1956 | 57.60% |
| Jul 1, 1956 | 57.50% |
| Jun 1, 1956 | 57.50% |
| May 1, 1956 | 57.60% |
| Apr 1, 1956 | 57.50% |
| Mar 1, 1956 | 57.30% |
| Feb 1, 1956 | 57.50% |
| Jan 1, 1956 | 57.80% |
| Dec 1, 1955 | 57.70% |
| Nov 1, 1955 | 57.40% |
| Oct 1, 1955 | 57.20% |
| Sep 1, 1955 | 57.20% |
| Aug 1, 1955 | 57.10% |
| Jul 1, 1955 | 56.90% |
| Jun 1, 1955 | 56.30% |
| May 1, 1955 | 56.30% |
| Apr 1, 1955 | 56.20% |
| Mar 1, 1955 | 55.80% |
| Feb 1, 1955 | 55.70% |
| Jan 1, 1955 | 55.70% |
| Dec 1, 1954 | 55.20% |
| Nov 1, 1954 | 55.50% |
| Oct 1, 1954 | 55.50% |
| Sep 1, 1954 | 55.50% |
| Aug 1, 1954 | 55.20% |
| Jul 1, 1954 | 55.00% |
| Jun 1, 1954 | 55.20% |
| May 1, 1954 | 55.40% |
| Apr 1, 1954 | 55.70% |
| Mar 1, 1954 | 55.70% |
| Feb 1, 1954 | 56.20% |
| Jan 1, 1954 | 55.70% |
| Dec 1, 1953 | 55.70% |
| Nov 1, 1953 | 56.50% |
| Oct 1, 1953 | 56.70% |
| Sep 1, 1953 | 56.80% |
| Aug 1, 1953 | 57.10% |
| Jul 1, 1953 | 57.40% |
| Jun 1, 1953 | 57.40% |
| May 1, 1953 | 57.10% |
| Apr 1, 1953 | 57.50% |
| Mar 1, 1953 | 58.10% |
| Feb 1, 1953 | 58.00% |
| Jan 1, 1953 | 57.80% |
| Dec 1, 1952 | 57.60% |
| Nov 1, 1952 | 57.50% |
| Oct 1, 1952 | 56.90% |
| Sep 1, 1952 | 57.40% |
| Aug 1, 1952 | 56.80% |
| Jul 1, 1952 | 57.00% |
| Jun 1, 1952 | 57.30% |
| May 1, 1952 | 57.30% |
| Apr 1, 1952 | 57.10% |
| Mar 1, 1952 | 57.10% |
| Feb 1, 1952 | 57.70% |
| Jan 1, 1952 | 57.70% |
| Dec 1, 1951 | 57.70% |
| Nov 1, 1951 | 57.10% |
| Oct 1, 1951 | 57.30% |
| Sep 1, 1951 | 57.10% |
| Aug 1, 1951 | 57.40% |
| Jul 1, 1951 | 57.60% |
| Jun 1, 1951 | 57.10% |
| May 1, 1951 | 57.60% |
| Apr 1, 1951 | 57.30% |
| Mar 1, 1951 | 57.70% |
| Feb 1, 1951 | 57.00% |
| Jan 1, 1951 | 56.90% |
| Dec 1, 1950 | 56.70% |
| Nov 1, 1950 | 56.90% |
| Oct 1, 1950 | 56.90% |
| Sep 1, 1950 | 56.60% |
| Aug 1, 1950 | 56.80% |
| Jul 1, 1950 | 56.10% |
| Jun 1, 1950 | 56.20% |
| May 1, 1950 | 55.80% |
| Apr 1, 1950 | 55.80% |
| Mar 1, 1950 | 55.10% |
| Feb 1, 1950 | 55.10% |
| Jan 1, 1950 | 55.10% |
| Dec 1, 1949 | 55.30% |
| Nov 1, 1949 | 55.60% |
| Oct 1, 1949 | 54.90% |
| Sep 1, 1949 | 55.30% |
| Aug 1, 1949 | 55.10% |
| Jul 1, 1949 | 55.00% |
| Jun 1, 1949 | 55.00% |
| May 1, 1949 | 55.40% |
| Apr 1, 1949 | 55.70% |
| Mar 1, 1949 | 56.00% |
| Feb 1, 1949 | 56.20% |
| Jan 1, 1949 | 56.20% |
| Dec 1, 1948 | 56.80% |
| Nov 1, 1948 | 56.50% |
| Oct 1, 1948 | 56.50% |
| Sep 1, 1948 | 56.60% |
| Aug 1, 1948 | 56.60% |
| Jul 1, 1948 | 57.10% |
| Jun 1, 1948 | 57.00% |
| May 1, 1948 | 56.20% |
| Apr 1, 1948 | 56.70% |
| Mar 1, 1948 | 56.10% |
| Feb 1, 1948 | 56.70% |
| Jan 1, 1948 | 56.60% |
The US Employment Population Ratio (or Employment to Population Ratio) is the percentage of the US working-age population (age 16+) that is employed.
Unlike the Unemployment Rate, this accounts for those who have stopped looking for work.
Source: US Bureau of Labor Statistics — here.