Quarterly Percent
1987-12-31 4.5
1988-03-31 5.4
1988-06-30 20.8
1988-09-30 30.3
1988-12-31 28.9
1989-03-31 25.6
1989-06-30 17.7
1989-09-30 11.9
1989-12-31 12.1
1990-03-31 17
1990-06-30 14.4
1990-09-30 9.6
1990-12-31 11.4
1991-03-31 3
1991-06-30 1.3
1991-09-30 -2.1
1991-12-31 -5
1992-03-31 -4.4
1992-06-30 -3.2
1992-09-30 -0.5
1992-12-31 0.5
1993-03-31 -3.1
1993-06-30 -5.1
1993-09-30 -7.3
1993-12-31 -9.7
1994-03-31 -9.5
1994-06-30 -10
1994-09-30 -8.7
1994-12-31 -6.3
1995-03-31 10.8
1995-06-30 10
1995-09-30 10.8
1995-12-31 12.6
1996-03-31 1.6
1996-06-30 8.9
1996-09-30 9.6
1996-12-31 9.8
1997-03-31 5.4
1997-06-30 4.4
1997-09-30 6.2
1997-12-31 5.1
1998-03-31 7
1998-06-30 6.2
1998-09-30 2.4
1998-12-31 4.7
1999-03-31 2.2
1999-06-30 2.5
1999-09-30 1.5
1999-12-31 -0.6
2000-03-31 -0.8
2000-06-30 1.1
2000-09-30 7
2000-12-31 -0.4
2001-03-31 -1.3
2001-06-30 -4.4
2001-09-30 -6.8
2001-12-31 -10.4
2002-03-31 -13.4
2002-06-30 -14.8
2002-09-30 -16.2
2002-12-31 -8.5
2003-03-31 -7.5
2003-06-30 -5.7
2003-09-30 -9.8
2003-12-31 -11.9
2004-03-31 -6.1
2004-06-30 -5.1
2004-09-30 -2.5
2004-12-31 -0.9
2005-03-31 -1.7
2005-06-30 1.7
2005-09-30 6.1
2005-12-31 9.2
2006-03-31 6.4
2006-06-30 5.8
2006-09-30 3.7
2006-12-31 2.8
2007-03-31 5.2
2007-06-30 2.5
2007-09-30 1.5
2007-12-31 -1.6
2008-03-31 0.5
2008-06-30 0.5
2008-09-30 1.2
2008-12-31 2.4
2009-03-31 -0.6
2009-06-30 -4.2
2009-09-30 -12.6
2009-12-31 -14.8
2010-03-31 -17.1
2010-06-30 -16.7
2010-09-30 -8.3
2010-12-31 -6.5
2011-03-31 -9.7
2011-06-30 -10.5
2011-09-30 -10.4
2011-12-31 -13.7
2012-03-31 -8.4
2012-06-30 0.2
2012-09-30 -3.9
2012-12-31 2.7
2013-03-31 1.7
2013-06-30 -7.4
2013-09-30 -5.9
2013-12-31 -3.4
2014-03-31 -6.2
2014-06-30 -0.4
2014-09-30 8
2014-12-31 2.6
2015-03-31 7.4
2015-06-30 4.7
2015-09-30 1.7
2015-12-31 2.1
2016-03-31 2.7
2016-06-30 3.3
2016-09-30 0.2
2016-12-31 1.4
2017-03-31 -0.1
2017-06-30 3.3
2017-09-30 13.6
2017-12-31 14.2
2018-03-31 18
2018-06-30 26.2
2018-09-30 15.1
2018-12-31 21.5
2019-03-31 15.3
2019-06-30 8.7
2019-09-30 9.8
2019-12-31 -2.4
2020-03-31 12.1
2020-06-30 3.2
2020-09-30 -4.8
2020-12-31 -3.5
2021-03-31 -19
2021-06-30 -12.5
2021-09-30 -11.2
2021-12-31 -7.1
2022-03-31 3.4
2022-06-30 5.2
2022-09-30 8.7
2022-12-31 5.3
2023-03-31 -2.4
2023-06-30 -5.7
2023-09-30 -8
2023-12-31 -7.5