Quarter	Percent
1998-03-31	-5
1998-06-30	-8.1
1998-09-30	3.2
1998-12-31	18.4
1999-03-31	-5.7
1999-06-30	11.4
1999-09-30	6.5
1999-12-31	10.7
2000-03-31	85.8
2000-06-30	107.9
2000-09-30	-48.8
2000-12-31	221.3
2001-03-31	-69.6
2001-06-30	11.7
2001-09-30	20.2
2001-12-31	59.5
2002-03-31	-27.3
2002-06-30	43.9
2002-09-30	15.2
2002-12-31	37.8
2003-03-31	-6.9
2003-06-30	12.9
2003-09-30	0.2
2003-12-31	37
2004-03-31	0
2004-06-30	-1.8
2004-09-30	58.5
2004-12-31	68.2
2005-03-31	-52.5
2005-06-30	102.8
2005-09-30	11.9
2005-12-31	57.2
2006-03-31	-37
2006-06-30	34.6
2006-09-30	44
2006-12-31	14.2
2007-03-31	2.1
2007-06-30	5.6
2007-09-30	1.8
2007-12-31	63.8
2008-03-31	0.7
2008-06-30	-18
2008-09-30	133
2008-12-31	17.3
2009-03-31	4
2009-06-30	26.9
2009-09-30	-8.2
2009-12-31	5.6
2010-03-31	-10
2010-06-30	-5.5
2010-09-30	1.2
2010-12-31	-6.1
2011-03-31	-2.2
2011-06-30	-8.9
2011-09-30	3.5
2011-12-31	1
2012-03-31	-10.6
2012-06-30	-3
2012-09-30	3.6
2012-12-31	0.1
2013-03-31	-0.8
2013-06-30	6.2
2013-09-30	-0.5
2013-12-31	-3.7
2014-03-31	1.3
2014-06-30	-0.9
2014-09-30	-6.6
2014-12-31	-7.1
2015-03-31	11
2015-06-30	-12.8
2015-09-30	-8.2
2015-12-31	4
2016-03-31	-7.7
2016-06-30	2.5
2016-09-30	3.6
2016-12-31	0.4
2017-03-31	0.4
2017-06-30	0
2017-09-30	13.4
2017-12-31	5.8
2018-03-31	16.4
2018-06-30	-30.8
2018-09-30	5.8
2018-12-31	-8.2
2019-03-31	5.2
2019-06-30	-6.1
2019-09-30	-12.2
2019-12-31	58.3
2020-03-31	-12.2
2020-06-30	21.2
2020-09-30	-15.8
2020-12-31	19.9
2021-03-31	-3.4
2021-06-30	-10.3
2021-09-30	-3.9
2021-12-31	12
2022-03-31	-16.8
2022-06-30	2.5
2022-09-30	-3.1
2022-12-31	-2.4
2023-03-31	6.3
2023-06-30	-14.2
2023-09-30	-0.2
2023-12-31	5.2