Quarterly Percent
1987-06-30 34.5
1987-09-30 34.1
1987-12-31 26.3
1988-03-31 28.1
1988-06-30 28.2
1988-09-30 36.8
1988-12-31 15
1989-03-31 25.7
1989-06-30 27.2
1989-09-30 24.4
1989-12-31 12
1990-03-31 9.5
1990-06-30 13
1990-09-30 10.5
1990-12-31 1.9
1991-03-31 8.5
1991-06-30 5.2
1991-09-30 5.1
1991-12-31 -0.7
1992-03-31 0.9
1992-06-30 -2.6
1992-09-30 6.7
1992-12-31 -0.8
1993-03-31 2.5
1993-06-30 3.9
1993-09-30 10.8
1993-12-31 4
1994-03-31 9.2
1994-06-30 10.3
1994-09-30 14.6
1994-12-31 9.4
1995-03-31 14.2
1995-06-30 9.9
1995-09-30 17.7
1995-12-31 12.9
1996-03-31 13.8
1996-06-30 14.2
1996-09-30 24.4
1996-12-31 12.7
1997-03-31 15.9
1997-06-30 17.5
1997-09-30 12
1997-12-31 13.8
1998-03-31 19.6
1998-06-30 13.6
1998-09-30 16.2
1998-12-31 9.6
1999-03-31 16.2
1999-06-30 13.2
1999-09-30 14.2
1999-12-31 9.4
2000-03-31 15.9
2000-06-30 10.1
2000-09-30 8.3
2000-12-31 7.9
2001-03-31 14
2001-06-30 14.7
2001-09-30 13.7
2001-12-31 13.8
2002-03-31 17.2
2002-06-30 13.8
2002-09-30 16.4
2002-12-31 12.2
2003-03-31 13.8
2003-06-30 12.2
2003-09-30 11.4
2003-12-31 8.2
2004-03-31 15.4
2004-06-30 12.7
2004-09-30 11.5
2004-12-31 8
2005-03-31 14.1
2005-06-30 11.1
2005-09-30 8.8
2005-12-31 4.9
2006-03-31 9.5
2006-06-30 7.6
2006-09-30 7.6
2006-12-31 5.3
2007-03-31 7.3
2007-06-30 8.6
2007-09-30 8
2007-12-31 4.9
2008-03-31 9.4
2008-06-30 6.3
2008-09-30 2.1
2008-12-31 -0.1
2009-03-31 4.3
2009-06-30 2.3
2009-09-30 -3.9
2009-12-31 -2.6
2010-03-31 2.3
2010-06-30 1.8
2010-09-30 -2.6
2010-12-31 0.2
2011-03-31 3.3
2011-06-30 4.5
2011-09-30 0.7
2011-12-31 -1.4
2012-03-31 5.8
2012-06-30 6.7
2012-09-30 3.4
2012-12-31 5.9
2013-03-31 8.7
2013-06-30 10.4
2013-09-30 8.2
2013-12-31 6.7
2014-03-31 12.9
2014-06-30 14.5
2014-09-30 9.7
2014-12-31 8.6
2015-03-31 15.3
2015-06-30 16.3
2015-09-30 10.3
2015-12-31 10.2
2016-03-31 16.8
2016-06-30 17.9
2016-09-30 10.1
2016-12-31 10
2017-03-31 15.6
2017-06-30 17
2017-09-30 10.4
2017-12-31 9.9
2018-03-31 13
2018-06-30 17.5
2018-09-30 8.4
2018-12-31 8
2019-03-31 12.5
2019-06-30 15
2019-09-30 8.1
2019-12-31 7.3
2020-03-31 9.5
2020-06-30 3.5
2020-09-30 5
2020-12-31 6.8
2021-03-31 4.6
2021-06-30 12.7
2021-09-30 4.8
2021-12-31 6.3
2022-03-31 10.3
2022-06-30 15.1
2022-09-30 6.8
2022-12-31 6.6
2023-03-31 11