Quarter	Percent
1987-12-31	-0.1
1988-03-31	0.1
1988-06-30	3.1
1988-09-30	5.2
1988-12-31	7
1989-03-31	6.7
1989-06-30	6.2
1989-09-30	5.3
1989-12-31	3.6
1990-03-31	8.2
1990-06-30	4.8
1990-09-30	4.4
1990-12-31	4.4
1991-03-31	0.6
1991-06-30	1.1
1991-09-30	2.3
1991-12-31	0.4
1992-03-31	-1.5
1992-06-30	-2.5
1992-09-30	-4.2
1992-12-31	-4.6
1993-03-31	-5.9
1993-06-30	-5.2
1993-09-30	-5.2
1993-12-31	-6.5
1994-03-31	-2.5
1994-06-30	-0.5
1994-09-30	-1.6
1994-12-31	-1.5
1995-03-31	-1.1
1995-06-30	0
1995-09-30	-1.1
1995-12-31	0.9
1996-03-31	1.7
1996-06-30	3.5
1996-09-30	5.2
1996-12-31	4.2
1997-03-31	4.9
1997-06-30	7.5
1997-09-30	15.1
1997-12-31	16.2
1998-03-31	18.5
1998-06-30	12.9
1998-09-30	8.4
1998-12-31	7.8
1999-03-31	4.9
1999-06-30	5.2
1999-09-30	5.5
1999-12-31	7
2000-03-31	6.7
2000-06-30	6.5
2000-09-30	3.8
2000-12-31	3.4
2001-03-31	2.5
2001-06-30	-1.1
2001-09-30	-1
2001-12-31	-1.7
2002-03-31	-1.6
2002-06-30	4.1
2002-09-30	4
2002-12-31	4
2003-03-31	6.1
2003-06-30	6.1
2003-09-30	4.9
2003-12-31	3
2004-03-31	3.2
2004-06-30	1
2004-09-30	2.8
2004-12-31	4.2
2005-03-31	4.9
2005-06-30	4.5
2005-09-30	5.1
2005-12-31	11.9
2006-03-31	10.6
2006-06-30	5.6
2006-09-30	4.4
2006-12-31	2
2007-03-31	-0.3
2007-06-30	5.5
2007-09-30	6.8
2007-12-31	4.5
2008-03-31	5.4
2008-06-30	6.7
2008-09-30	7
2008-12-31	4.5
2009-03-31	6.7
2009-06-30	6.4
2009-09-30	5.4
2009-12-31	5.2
2010-03-31	6.2
2010-06-30	5.1
2010-09-30	4.3
2010-12-31	5.9
2011-03-31	3.9
2011-06-30	3.5
2011-09-30	3.3
2011-12-31	4.3
2012-03-31	5.7
2012-06-30	6.5
2012-09-30	8.2
2012-12-31	10.1
2013-03-31	11
2013-06-30	11.3
2013-09-30	11
2013-12-31	9.1
2014-03-31	8.3
2014-06-30	9.4
2014-09-30	8.8
2014-12-31	10.6
2015-03-31	10.3
2015-06-30	9.4
2015-09-30	9.6
2015-12-31	12.5
2016-03-31	9.5
2016-06-30	7.4
2016-09-30	5.8
2016-12-31	2
2017-03-31	4
2017-06-30	4.3
2017-09-30	2.7
2017-12-31	2.9
2018-03-31	2.2
2018-06-30	1.7
2018-09-30	3.1
2018-12-31	3.4
2019-03-31	3.1
2019-06-30	2.7
2019-09-30	1.8
2019-12-31	0
2020-03-31	-0.2
2020-06-30	1.6
2020-09-30	2.5
2020-12-31	3.8
2021-03-31	4.6
2021-06-30	2.5
2021-09-30	0.9
2021-12-31	0
2022-03-31	-1.3
2022-06-30	-1.6
2022-09-30	-3
2022-12-31	-3.5
2023-03-31	-3.7
2023-06-30	-4.2
2023-09-30	-3.9
2023-12-31	-2