Quarterly Percent
1987-09-30 20.4
1987-12-31 18.2
1988-03-31 12.8
1988-06-30 12.7
1988-09-30 18.3
1988-12-31 15.3
1989-03-31 9.6
1989-06-30 11.5
1989-09-30 14.6
1989-12-31 10.2
1990-03-31 5.5
1990-06-30 5.8
1990-09-30 7.6
1990-12-31 7.8
1991-03-31 1.7
1991-06-30 -0.6
1991-09-30 2
1991-12-31 1.7
1992-03-31 -1
1992-06-30 -2.2
1992-09-30 1
1992-12-31 -0.1
1993-03-31 -0.2
1993-06-30 3.6
1993-09-30 7.8
1993-12-31 9.1
1994-03-31 5
1994-06-30 7.5
1994-09-30 13.9
1994-12-31 14.5
1995-03-31 11
1995-06-30 10
1995-09-30 14.7
1995-12-31 17.4
1996-03-31 12.5
1996-06-30 11.9
1996-09-30 20.3
1996-12-31 21.6
1997-03-31 14.2
1997-06-30 14
1997-09-30 16.3
1997-12-31 17.3
1998-03-31 17.2
1998-06-30 15.2
1998-09-30 17.7
1998-12-31 17.7
1999-03-31 13.6
1999-06-30 12.9
1999-09-30 15.6
1999-12-31 16.4
2000-03-31 13.4
2000-06-30 11.9
2000-09-30 12.5
2000-12-31 12.9
2001-03-31 10.3
2001-06-30 11.3
2001-09-30 15.3
2001-12-31 16.8
2002-03-31 14.9
2002-06-30 13
2002-09-30 17.3
2002-12-31 17.7
2003-03-31 12.6
2003-06-30 12.7
2003-09-30 15.7
2003-12-31 13.8
2004-03-31 12
2004-06-30 13.7
2004-09-30 15.7
2004-12-31 14.2
2005-03-31 11.7
2005-06-30 10.9
2005-09-30 10.4
2005-12-31 8.2
2006-03-31 5.3
2006-06-30 5.2
2006-09-30 6.3
2006-12-31 6.1
2007-03-31 3.3
2007-06-30 2.8
2007-09-30 6.6
2007-12-31 7.7
2008-03-31 5
2008-06-30 4.1
2008-09-30 4.8
2008-12-31 3
2009-03-31 0.2
2009-06-30 -0.8
2009-09-30 -1.7
2009-12-31 -1.5
2010-03-31 -2.3
2010-06-30 -3.2
2010-09-30 -1.4
2010-12-31 0.8
2011-03-31 -1.2
2011-06-30 -2.3
2011-09-30 0.7
2011-12-31 0.4
2012-03-31 -2
2012-06-30 -1.4
2012-09-30 2.2
2012-12-31 4.2
2013-03-31 2.6
2013-06-30 2.2
2013-09-30 6.9
2013-12-31 7.8
2014-03-31 4.4
2014-06-30 3.9
2014-09-30 7.9
2014-12-31 9.2
2015-03-31 6.2
2015-06-30 6.2
2015-09-30 10
2015-12-31 11.1
2016-03-31 9.5
2016-06-30 9.3
2016-09-30 11.2
2016-12-31 11.6
2017-03-31 9.2
2017-06-30 8.9
2017-09-30 11.4
2017-12-31 11.4
2018-03-31 7.6
2018-06-30 8.1
2018-09-30 9.8
2018-12-31 7.1
2019-03-31 4.6
2019-06-30 5.4
2019-09-30 7.7
2019-12-31 6.9
2020-03-31 0.2
2020-06-30 -13
2020-09-30 -9.3
2020-12-31 -1.8
2021-03-31 -8
2021-06-30 -2.1
2021-09-30 5.6
2021-12-31 5.3
2022-03-31 4.6
2022-06-30 7.9
2022-09-30 9.6
2022-12-31 6.5
2023-03-31 5.5
2023-06-30 8.5
2023-09-30 10.3
2023-12-31 8.6