Quarterly Percent
1987-12-31 32.9
1988-03-31 28.2
1988-06-30 30.3
1988-09-30 27.4
1988-12-31 30
1989-03-31 30
1989-06-30 27.4
1989-09-30 26.1
1989-12-31 20.8
1990-03-31 22.8
1990-06-30 21.6
1990-09-30 20.5
1990-12-31 20.7
1991-03-31 18.9
1991-06-30 15.1
1991-09-30 11.3
1991-12-31 7.3
1992-03-31 2.8
1992-06-30 2.3
1992-09-30 2.4
1992-12-31 1.9
1993-03-31 4.9
1993-06-30 3.3
1993-09-30 4.3
1993-12-31 7.6
1994-03-31 1.6
1994-06-30 2.8
1994-09-30 2.6
1994-12-31 1.6
1995-03-31 5.3
1995-06-30 6.6
1995-09-30 7.2
1995-12-31 9.1
1996-03-31 14.5
1996-06-30 16.4
1996-09-30 16.8
1996-12-31 11.2
1997-03-31 19.1
1997-06-30 16.7
1997-09-30 11.4
1997-12-31 16.7
1998-03-31 9.3
1998-06-30 5.3
1998-09-30 13.4
1998-12-31 -0.3
1999-03-31 5
1999-06-30 6.4
1999-09-30 2.9
1999-12-31 13.3
2000-03-31 8.9
2000-06-30 10.7
2000-09-30 8.8
2000-12-31 11.9
2001-03-31 14.1
2001-06-30 5.9
2001-09-30 10.6
2001-12-31 4.6
2002-03-31 -2.2
2002-06-30 6.9
2002-09-30 1.5
2002-12-31 0.4
2003-03-31 -0.1
2003-06-30 -1.3
2003-09-30 3.1
2003-12-31 8.6
2004-03-31 4.7
2004-06-30 3.6
2004-09-30 7.6
2004-12-31 8.4
2005-03-31 5.9
2005-06-30 12.4
2005-09-30 5.8
2005-12-31 5.4
2006-03-31 14.8
2006-06-30 16.5
2006-09-30 21.4
2006-12-31 18.5
2007-03-31 28.9
2007-06-30 22.9
2007-09-30 24.6
2007-12-31 24.2
2008-03-31 11.9
2008-06-30 16.8
2008-09-30 19.9
2008-12-31 28.6
2009-03-31 30.3
2009-06-30 18.9
2009-09-30 9.8
2009-12-31 2.4
2010-03-31 -5.6
2010-06-30 -3.7
2010-09-30 -1.8
2010-12-31 -0.4
2011-03-31 1.7
2011-06-30 1.9
2011-09-30 -3.8
2011-12-31 -10.3
2012-03-31 -8.2
2012-06-30 -10.2
2012-09-30 -7.9
2012-12-31 1.5
2013-03-31 0.5
2013-06-30 -0.9
2013-09-30 0.9
2013-12-31 -7.1
2014-03-31 -18.7
2014-06-30 -23.2
2014-09-30 -27.2
2014-12-31 -30.2
2015-03-31 -16.7
2015-06-30 -9.5
2015-09-30 -2.4
2015-12-31 3.7
2016-03-31 0.2
2016-06-30 -5.5
2016-09-30 -11.2
2016-12-31 -11.6
2017-03-31 -15.1
2017-06-30 -6.1
2017-09-30 -2.1
2017-12-31 0.9
2018-03-31 13.1
2018-06-30 14.8
2018-09-30 17.6
2018-12-31 14.3
2019-03-31 11
2019-06-30 8.6
2019-09-30 5.2
2019-12-31 12.1
2020-03-31 10.2
2020-06-30 7.1
2020-09-30 1.4
2020-12-31 0.5
2021-03-31 -4.9
2021-06-30 2.7
2021-09-30 1.5
2021-12-31 -3.7
2022-03-31 10.3
2022-06-30 -0.6
2022-09-30 11.6
2022-12-31 10.3
2023-03-31 -1.4
2023-06-30 4.7
2023-09-30 1.3
2023-12-31 11.3