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 2.9
1993-09-30 10.6
1993-12-31 3.5
1994-03-31 8.3
1994-06-30 9
1994-09-30 14.5
1994-12-31 8.8
1995-03-31 13.1
1995-06-30 8.1
1995-09-30 17.5
1995-12-31 12.2
1996-03-31 12.4
1996-06-30 12.4
1996-09-30 24.6
1996-12-31 12
1997-03-31 14.5
1997-06-30 16.1
1997-09-30 11.9
1997-12-31 13.4
1998-03-31 18.6
1998-06-30 12.2
1998-09-30 16.4
1998-12-31 9.1
1999-03-31 15.2
1999-06-30 11.4
1999-09-30 14.4
1999-12-31 8.7
2000-03-31 14.5
2000-06-30 7.5
2000-09-30 8
2000-12-31 6.9
2001-03-31 11.9
2001-06-30 12.3
2001-09-30 14
2001-12-31 13.3
2002-03-31 15.4
2002-06-30 11.9
2002-09-30 17.6
2002-12-31 11.4
2003-03-31 12
2003-06-30 10.4
2003-09-30 11.8
2003-12-31 7.5
2004-03-31 14.2
2004-06-30 11.2
2004-09-30 11.7
2004-12-31 7.5
2005-03-31 13.3
2005-06-30 9.6
2005-09-30 8.4
2005-12-31 4
2006-03-31 7.9
2006-06-30 5.9
2006-09-30 7.5
2006-12-31 4.9
2007-03-31 4.3
2007-06-30 5.7
2007-09-30 8.2
2007-12-31 4.3
2008-03-31 5.5
2008-06-30 3.3
2008-09-30 1.2
2008-12-31 -1.2
2009-03-31 -0.5
2009-06-30 -2.6
2009-09-30 -6.1
2009-12-31 -4.5
2010-03-31 -4.1
2010-06-30 -4.2
2010-09-30 -4.5
2010-12-31 -0.8
2011-03-31 -3.3
2011-06-30 -2.4
2011-09-30 -1.5
2011-12-31 -3
2012-03-31 -0.9
2012-06-30 -0.4
2012-09-30 2.7
2012-12-31 2.7
2013-03-31 3.8
2013-06-30 2.7
2013-09-30 10.8
2013-12-31 3.4
2014-03-31 8.3
2014-06-30 4.2
2014-09-30 12.4
2014-12-31 4.9
2015-03-31 11.5
2015-06-30 7.3
2015-09-30 13.9
2015-12-31 7.5
2016-03-31 15.1
2016-06-30 9.7
2016-09-30 13.4
2016-12-31 7.6
2017-03-31 13.6
2017-06-30 8.9
2017-09-30 13.6
2017-12-31 7.8
2018-03-31 8.5
2018-06-30 9.9
2018-09-30 9.3
2018-12-31 4.2
2019-03-31 7.6
2019-06-30 6.5
2019-09-30 9.4
2019-12-31 4.2
2020-03-31 3.1
2020-06-30 -14.6
2020-09-30 3.3
2020-12-31 -4.1
2021-03-31 -1.9
2021-06-30 2.3
2021-09-30 2.9
2021-12-31 1.9
2022-03-31 5.1
2022-06-30 7
2022-09-30 6.1
2022-12-31 2.1
2023-03-31 6.5
2023-06-30 7.7
2023-09-30 7.6
2023-12-31 5.3