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 7.3
1993-12-31 7.3
1994-03-31 6.6
1994-06-30 9.8
1994-09-30 12.5
1994-12-31 12
1995-03-31 11.8
1995-06-30 12
1995-09-30 13.7
1995-12-31 15.3
1996-03-31 13.4
1996-06-30 14
1996-09-30 19.2
1996-12-31 18.4
1997-03-31 14.3
1997-06-30 16.7
1997-09-30 14.8
1997-12-31 12.9
1998-03-31 16.7
1998-06-30 16.6
1998-09-30 14.9
1998-12-31 12.9
1999-03-31 12.9
1999-06-30 14.7
1999-09-30 13.7
1999-12-31 11.8
2000-03-31 12.6
2000-06-30 13
2000-09-30 9.2
2000-12-31 8.1
2001-03-31 10.9
2001-06-30 14.4
2001-09-30 14.2
2001-12-31 13.8
2002-03-31 15.5
2002-06-30 15.5
2002-09-30 15.1
2002-12-31 14.3
2003-03-31 13
2003-06-30 13
2003-09-30 11.8
2003-12-31 9.8
2004-03-31 11.7
2004-06-30 14
2004-09-30 12.1
2004-12-31 9.7
2005-03-31 11
2005-06-30 12.6
2005-09-30 10
2005-12-31 6.9
2006-03-31 7.2
2006-06-30 8.5
2006-09-30 7.6
2006-12-31 6.5
2007-03-31 6.3
2007-06-30 7.9
2007-09-30 8.3
2007-12-31 6.5
2008-03-31 7.1
2008-06-30 7.8
2008-09-30 4.1
2008-12-31 1
2009-03-31 2.1
2009-06-30 3.3
2009-09-30 -0.8
2009-12-31 -3.3
2010-03-31 -0.2
2010-06-30 2.1
2010-09-30 -0.4
2010-12-31 -1.2
2011-03-31 1.8
2011-06-30 3.9
2011-09-30 2.6
2011-12-31 -0.3
2012-03-31 2.2
2012-06-30 6.3
2012-09-30 5
2012-12-31 4.6
2013-03-31 7.3
2013-06-30 9.6
2013-09-30 9.3
2013-12-31 7.5
2014-03-31 9.8
2014-06-30 13.7
2014-09-30 12.1
2014-12-31 9.1
2015-03-31 11.9
2015-06-30 15.8
2015-09-30 13.3
2015-12-31 10.3
2016-03-31 13.4
2016-06-30 17.3
2016-09-30 13.9
2016-12-31 10
2017-03-31 12.8
2017-06-30 16.3
2017-09-30 13.7
2017-12-31 10.2
2018-03-31 11.5
2018-06-30 15.3
2018-09-30 12.9
2018-12-31 8.2
2019-03-31 10.2
2019-06-30 13.7
2019-09-30 11.5
2019-12-31 7.7
2020-03-31 8.4
2020-06-30 6.5
2020-09-30 4.3
2020-12-31 5.9
2021-03-31 5.7
2021-06-30 8.6
2021-09-30 8.7
2021-12-31 5.5
2022-03-31 8.3
2022-06-30 12.6
2022-09-30 10.8
2022-12-31 6.7
2023-03-31 8.8