Quarterly Percent
1983-06-30 18.3
1983-09-30 16.3
1983-12-31 15.8
1984-03-31 17.1
1984-06-30 17
1984-09-30 17.2
1984-12-31 17.9
1985-03-31 18.3
1985-06-30 18.2
1985-09-30 17.4
1985-12-31 17
1986-03-31 16.6
1986-06-30 17.1
1986-09-30 18
1986-12-31 20
1987-03-31 19
1987-06-30 19.4
1987-09-30 20.1
1987-12-31 19.1
1988-03-31 21.1
1988-06-30 22.8
1988-09-30 24.2
1988-12-31 24.5
1989-03-31 24.2
1989-06-30 22.5
1989-09-30 22.1
1989-12-31 21.3
1990-03-31 20.6
1990-06-30 19
1990-09-30 15.9
1990-12-31 14
1991-03-31 11.4
1991-06-30 9
1991-09-30 7.8
1991-12-31 6.5
1992-03-31 5.2
1992-06-30 5.5
1992-09-30 4.9
1992-12-31 4.3
1993-03-31 4.1
1993-06-30 3.3
1993-09-30 3.5
1993-12-31 3.9
1994-03-31 3.6
1994-06-30 3.7
1994-09-30 4.1
1994-12-31 5.2
1995-03-31 7.1
1995-06-30 7.8
1995-09-30 8
1995-12-31 8.5
1996-03-31 8.8
1996-06-30 9.3
1996-09-30 9.3
1996-12-31 8.5
1997-03-31 9.1
1997-06-30 9.6
1997-09-30 8.7
1997-12-31 8.9
1998-03-31 8.6
1998-06-30 7.8
1998-09-30 8.9
1998-12-31 7.7
1999-03-31 7.4
1999-06-30 7.8
1999-09-30 7
1999-12-31 9.1
2000-03-31 10.6
2000-06-30 11.2
2000-09-30 13
2000-12-31 12.4
2001-03-31 11.6
2001-06-30 11.1
2001-09-30 9.7
2001-12-31 8.8
2002-03-31 7.8
2002-06-30 8.1
2002-09-30 9.4
2002-12-31 10.4
2003-03-31 10.6
2003-06-30 11.2
2003-09-30 10.7
2003-12-31 11.7
2004-03-31 12.2
2004-06-30 12.3
2004-09-30 13.8
2004-12-31 12.8
2005-03-31 12.7
2005-06-30 12.5
2005-09-30 11.9
2005-12-31 12.1
2006-03-31 13.3
2006-06-30 15.6
2006-09-30 15.1
2006-12-31 14.9
2007-03-31 14.5
2007-06-30 13.3
2007-09-30 15.2
2007-12-31 15
2008-03-31 13.8
2008-06-30 14.6
2008-09-30 14.4
2008-12-31 17.4
2009-03-31 17.8
2009-06-30 11.4
2009-09-30 7.5
2009-12-31 3
2010-03-31 0.1
2010-06-30 0.9
2010-09-30 -0.9
2010-12-31 -2.7
2011-03-31 -2.5
2011-06-30 -1.5
2011-09-30 -0.8
2011-12-31 -1.8
2012-03-31 -4.3
2012-06-30 -6.4
2012-09-30 -6.2
2012-12-31 -2.8
2013-03-31 -1.9
2013-06-30 -1.1
2013-09-30 0.2
2013-12-31 -2.9
2014-03-31 -4.1
2014-06-30 -3.6
2014-09-30 -4.6
2014-12-31 -3.6
2015-03-31 -1.2
2015-06-30 -1
2015-09-30 -0.1
2015-12-31 0.7
2016-03-31 2.4
2016-06-30 3.6
2016-09-30 3.3
2016-12-31 3.9
2017-03-31 4.9
2017-06-30 5.3
2017-09-30 6
2017-12-31 5.5
2018-03-31 3
2018-06-30 2.4
2018-09-30 1.5
2018-12-31 2.3
2019-03-31 3.2
2019-06-30 3
2019-09-30 5.1
2019-12-31 5.1
2020-03-31 7
2020-06-30 6.9
2020-09-30 4.3
2020-12-31 3.9
2021-03-31 0.4
2021-06-30 1.8
2021-09-30 1.5
2021-12-31 2.1
2022-03-31 4.1
2022-06-30 2.6
2022-09-30 4.6
2022-12-31 1.5
2023-03-31 -1
2023-06-30 -1.5
2023-09-30 -3.1
2023-12-31 -0.8