Quarterly Percent
1982-12-31 20.6
1983-03-31 16.2
1983-06-30 16
1983-09-30 16.4
1983-12-31 15.6
1984-03-31 17.7
1984-06-30 18.5
1984-09-30 16.7
1984-12-31 17.3
1985-03-31 19.9
1985-06-30 19.1
1985-09-30 15
1985-12-31 15.1
1986-03-31 18.2
1986-06-30 19.1
1986-09-30 17.9
1986-12-31 21
1987-03-31 20.1
1987-06-30 17.8
1987-09-30 20.2
1987-12-31 20.3
1988-03-31 22
1988-06-30 25.3
1988-09-30 26.5
1988-12-31 23.7
1989-03-31 21.9
1989-06-30 21.2
1989-09-30 22.3
1989-12-31 21.4
1990-03-31 18.9
1990-06-30 16.6
1990-09-30 12.9
1990-12-31 11.4
1991-03-31 9.8
1991-06-30 6.7
1991-09-30 5.8
1991-12-31 6.2
1992-03-31 4.5
1992-06-30 4.7
1992-09-30 5.3
1992-12-31 3.9
1993-03-31 2.9
1993-06-30 2.7
1993-09-30 4.2
1993-12-31 5.1
1994-03-31 3.1
1994-06-30 2.3
1994-09-30 5.1
1994-12-31 8.1
1995-03-31 9.1
1995-06-30 7.4
1995-09-30 6.9
1995-12-31 9.5
1996-03-31 10.8
1996-06-30 9.1
1996-09-30 7.8
1996-12-31 7.8
1997-03-31 10.3
1997-06-30 11.4
1997-09-30 7.1
1997-12-31 6.4
1998-03-31 10
1998-06-30 9.2
1998-09-30 7.8
1998-12-31 6.2
1999-03-31 7
1999-06-30 9.3
1999-09-30 7
1999-12-31 8.9
2000-03-31 14.3
2000-06-30 13.6
2000-09-30 11.7
2000-12-31 11.2
2001-03-31 11.5
2001-06-30 11.1
2001-09-30 8
2001-12-31 6.5
2002-03-31 7.6
2002-06-30 9.7
2002-09-30 11.2
2002-12-31 11
2003-03-31 9.9
2003-06-30 11.4
2003-09-30 11.4
2003-12-31 11.9
2004-03-31 13.1
2004-06-30 12.6
2004-09-30 14.5
2004-12-31 12.9
2005-03-31 11
2005-06-30 12
2005-09-30 12.9
2005-12-31 12.1
2006-03-31 13.8
2006-06-30 19.1
2006-09-30 16.5
2006-12-31 10.8
2007-03-31 12.6
2007-06-30 15.9
2007-09-30 17.8
2007-12-31 14.1
2008-03-31 9.9
2008-06-30 15
2008-09-30 19
2008-12-31 19.8
2009-03-31 16.7
2009-06-30 3.5
2009-09-30 -1
2009-12-31 2.4
2010-03-31 1.2
2010-06-30 -0.6
2010-09-30 -3.1
2010-12-31 -4.7
2011-03-31 -2
2011-06-30 1.9
2011-09-30 0.3
2011-12-31 -5.3
2012-03-31 -8.6
2012-06-30 -7.5
2012-09-30 -3.7
2012-12-31 2.2
2013-03-31 0
2013-06-30 -4.4
2013-09-30 0.3
2013-12-31 -1.3
2014-03-31 -8.3
2014-06-30 -5.9
2014-09-30 -0.9
2014-12-31 -1.2
2015-03-31 -1.6
2015-06-30 -0.7
2015-09-30 1.4
2015-12-31 2.2
2016-03-31 3.3
2016-06-30 5
2016-09-30 3.4
2016-12-31 2.9
2017-03-31 6.5
2017-06-30 7.9
2017-09-30 5.5
2017-12-31 3.2
2018-03-31 0.7
2018-06-30 1.5
2018-09-30 2.4
2018-12-31 3.1
2019-03-31 4.1
2019-06-30 2.8
2019-09-30 6
2019-12-31 7.4
2020-03-31 8.1
2020-06-30 6.4
2020-09-30 0.6
2020-12-31 1.5
2021-03-31 0.3
2021-06-30 2
2021-09-30 2.7
2021-12-31 2.2
2022-03-31 5.4
2022-06-30 3
2022-09-30 3.7
2022-12-31 0.1
2023-03-31 -5.6
2023-06-30 -3.1
2023-09-30 -0.6
2023-12-31 1.6