Quarter	Percent
1987-03-31	6.2
1987-06-30	-3.9
1987-09-30	9.2
1987-12-31	-0.1
1988-03-31	3.2
1988-06-30	8
1988-09-30	-6.2
1988-12-31	-2
1989-03-31	11.8
1989-06-30	18.2
1989-09-30	-9.3
1989-12-31	6.5
1990-03-31	2
1990-06-30	7.7
1990-09-30	-9
1990-12-31	-2.3
1991-03-31	0.4
1991-06-30	-12.8
1991-09-30	1.6
1991-12-31	5.2
1992-03-31	3.2
1992-06-30	-7.7
1992-09-30	16.1
1992-12-31	8.7
1993-03-31	24.3
1993-06-30	-14.8
1993-09-30	-8.9
1993-12-31	-3.2
1994-03-31	-4.6
1994-06-30	1.2
1994-09-30	2.9
1994-12-31	3.7
1995-03-31	151.8
1995-06-30	-31.9
1995-09-30	-36.4
1995-12-31	-2.6
1996-03-31	14.1
1996-06-30	9.4
1996-09-30	-0.6
1996-12-31	-6.2
1997-03-31	19.4
1997-06-30	-4.4
1997-09-30	33.6
1997-12-31	-7.3
1998-03-31	7.6
1998-06-30	9
1998-09-30	10
1998-12-31	-7.8
1999-03-31	-1.3
1999-06-30	5.4
1999-09-30	-11.8
1999-12-31	-5.5
2000-03-31	-0.7
2000-06-30	-3.8
2000-09-30	0
2000-12-31	-1.6
2001-03-31	2.4
2001-06-30	-3.9
2001-09-30	4
2001-12-31	-7.5
2002-03-31	4.7
2002-06-30	-3.8
2002-09-30	1.8
2002-12-31	-7.6
2003-03-31	-1.4
2003-06-30	-1.2
2003-09-30	-5.3
2003-12-31	-8.5
2004-03-31	-1.6
2004-06-30	-2.4
2004-09-30	-7.5
2004-12-31	-8.8
2005-03-31	-2.9
2005-06-30	6.2
2005-09-30	2.1
2005-12-31	5.8
2006-03-31	19.7
2006-06-30	-2.7
2006-09-30	-6
2006-12-31	-7.7
2007-03-31	-3.1
2007-06-30	2.5
2007-09-30	4.5
2007-12-31	-7
2008-03-31	9
2008-06-30	1.8
2008-09-30	-1.6
2008-12-31	1.7
2009-03-31	3.9
2009-06-30	-5.1
2009-09-30	-6.9
2009-12-31	-8.9
2010-03-31	-2.4
2010-06-30	3.7
2010-09-30	0.5
2010-12-31	-0.4
2011-03-31	-13
2011-06-30	7.3
2011-09-30	-8.8
2011-12-31	2.7
2012-03-31	1.8
2012-06-30	4.8
2012-09-30	4.6
2012-12-31	-6.3
2013-03-31	-8
2013-06-30	-2.3
2013-09-30	-0.7
2013-12-31	6.5
2014-03-31	-1.4
2014-06-30	19.4
2014-09-30	-3.4
2014-12-31	1.5
2015-03-31	0.8
2015-06-30	-0.1
2015-09-30	7
2015-12-31	3.5
2016-03-31	11.5
2016-06-30	-4
2016-09-30	7.5
2016-12-31	2.5
2017-03-31	-9.8
2017-06-30	-4.3
2017-09-30	0.1
2017-12-31	4.9
2018-03-31	-3.2
2018-06-30	78.6
2018-09-30	1
2018-12-31	4.8
2019-03-31	-4.6
2019-06-30	4.7
2019-09-30	-6.5
2019-12-31	-24
2020-03-31	19.4
2020-06-30	-27.8
2020-09-30	-10.6
2020-12-31	25.9
2021-03-31	-22.1
2021-06-30	1.5
2021-09-30	-5.9
2021-12-31	11.3
2022-03-31	22.1
2022-06-30	9.6
2022-09-30	3.3
2022-12-31	-6.4
2023-03-31	-8.9
2023-06-30	8.6
2023-09-30	5.6
2023-12-31	-13.8