Quarterly Percent
1987-09-30 34.3
1987-12-31 30.1
1988-03-31 27.2
1988-06-30 28.2
1988-09-30 32.5
1988-12-31 25.4
1989-03-31 20.2
1989-06-30 26.5
1989-09-30 25.8
1989-12-31 18
1990-03-31 10.7
1990-06-30 11.2
1990-09-30 11.7
1990-12-31 6.1
1991-03-31 5.1
1991-06-30 6.8
1991-09-30 5.2
1991-12-31 2.1
1992-03-31 0.1
1992-06-30 -0.9
1992-09-30 2
1992-12-31 2.9
1993-03-31 0.8
1993-06-30 3.8
1993-09-30 6.6
1993-12-31 7
1994-03-31 5.8
1994-06-30 8.6
1994-09-30 11.7
1994-12-31 11.6
1995-03-31 10.9
1995-06-30 10.6
1995-09-30 12.7
1995-12-31 14.8
1996-03-31 12.3
1996-06-30 12.4
1996-09-30 18.3
1996-12-31 18.1
1997-03-31 13.2
1997-06-30 15.3
1997-09-30 14
1997-12-31 12.7
1998-03-31 16
1998-06-30 15.3
1998-09-30 14.3
1998-12-31 12.7
1999-03-31 12.1
1999-06-30 13.3
1999-09-30 12.9
1999-12-31 11.5
2000-03-31 11.6
2000-06-30 10.9
2000-09-30 7.7
2000-12-31 7.4
2001-03-31 9.3
2001-06-30 12.1
2001-09-30 13.1
2001-12-31 13.6
2002-03-31 14.3
2002-06-30 13.7
2002-09-30 14.7
2002-12-31 14.4
2003-03-31 11.7
2003-06-30 11.2
2003-09-30 11.1
2003-12-31 9.6
2004-03-31 10.8
2004-06-30 12.7
2004-09-30 11.4
2004-12-31 9.6
2005-03-31 10.4
2005-06-30 11.4
2005-09-30 9
2005-12-31 6.2
2006-03-31 5.9
2006-06-30 6.9
2006-09-30 6.7
2006-12-31 6.2
2007-03-31 4.6
2007-06-30 5
2007-09-30 6.9
2007-12-31 6.2
2008-03-31 4.9
2008-06-30 4.4
2008-09-30 2.2
2008-12-31 0
2009-03-31 -0.8
2009-06-30 -1.6
2009-09-30 -4.4
2009-12-31 -5.3
2010-03-31 -4.3
2010-06-30 -4.1
2010-09-30 -4.4
2010-12-31 -2.7
2011-03-31 -2
2011-06-30 -2.9
2011-09-30 -2
2011-12-31 -2.3
2012-03-31 -1.9
2012-06-30 -0.7
2012-09-30 1.1
2012-12-31 2.7
2013-03-31 3.3
2013-06-30 3.3
2013-09-30 6.7
2013-12-31 7
2014-03-31 5.8
2014-06-30 6.2
2014-09-30 8.2
2014-12-31 8.6
2015-03-31 8.1
2015-06-30 9.4
2015-09-30 10.6
2015-12-31 10.7
2016-03-31 11.2
2016-06-30 12.4
2016-09-30 11.6
2016-12-31 10.5
2017-03-31 10.5
2017-06-30 11.2
2017-09-30 11.2
2017-12-31 10.7
2018-03-31 8.2
2018-06-30 9.2
2018-09-30 9.6
2018-12-31 6.7
2019-03-31 5.9
2019-06-30 7.1
2019-09-30 7.9
2019-12-31 6.8
2020-03-31 3.7
2020-06-30 -6.1
2020-09-30 -6.1
2020-12-31 -0.4
2021-03-31 -3
2021-06-30 0.2
2021-09-30 2.6
2021-12-31 2.4
2022-03-31 3.5
2022-06-30 6
2022-09-30 6.5
2022-12-31 4.1
2023-03-31 4.3
2023-06-30 7.1
2023-09-30 7.6
2023-12-31 6.4