Quarter	Percent
1998-06-30	14
1998-09-30	18.4
1998-12-31	-29.7
1999-03-31	19.6
1999-06-30	-5.9
1999-09-30	-2.7
1999-12-31	-27.7
2000-03-31	127.8
2000-06-30	24.3
2000-09-30	-5.9
2000-12-31	-10.8
2001-03-31	68.2
2001-06-30	-0.1
2001-09-30	20.2
2001-12-31	-6.1
2002-03-31	18.5
2002-06-30	5
2002-09-30	5
2002-12-31	-25.8
2003-03-31	13.9
2003-06-30	45.1
2003-09-30	8.5
2003-12-31	-12.1
2004-03-31	46.1
2004-06-30	19.1
2004-09-30	-1.1
2004-12-31	9.6
2005-03-31	39.2
2005-06-30	48.6
2005-09-30	10.1
2005-12-31	17.5
2006-03-31	40.3
2006-06-30	7.3
2006-09-30	29
2006-12-31	26.9
2007-03-31	32.1
2007-06-30	41.5
2007-09-30	18
2007-12-31	10.6
2008-03-31	46.9
2008-06-30	5
2008-09-30	14.8
2008-12-31	39
2009-03-31	21.9
2009-06-30	5.1
2009-09-30	8.3
2009-12-31	0.8
2010-03-31	1.3
2010-06-30	-8.6
2010-09-30	-3.5
2010-12-31	-13.2
2011-03-31	12.4
2011-06-30	-5.2
2011-09-30	-8.4
2011-12-31	-29.8
2012-03-31	-10.1
2012-06-30	-11.3
2012-09-30	4.7
2012-12-31	1
2013-03-31	-1.3
2013-06-30	-0.2
2013-09-30	-1.7
2013-12-31	-23
2014-03-31	-10.3
2014-06-30	-13.4
2014-09-30	-12
2014-12-31	-19.4
2015-03-31	-0.5
2015-06-30	-10.6
2015-09-30	-11.2
2015-12-31	-10
2016-03-31	13.4
2016-06-30	16.8
2016-09-30	11.1
2016-12-31	-9.9
2017-03-31	23.4
2017-06-30	1.2
2017-09-30	6.5
2017-12-31	-8.1
2018-03-31	4.3
2018-06-30	2.1
2018-09-30	2.4
2018-12-31	8.9
2019-03-31	-14.7
2019-06-30	1.9
2019-09-30	2.4
2019-12-31	-0.6
2020-03-31	86.2
2020-06-30	-17.1
2020-09-30	-0.4
2020-12-31	-5.4
2021-03-31	8.3
2021-06-30	0.9
2021-09-30	21.1
2021-12-31	-1
2022-03-31	23.6
2022-06-30	-10.4
2022-09-30	24.9
2022-12-31	-19.1
2023-03-31	4.6
2023-06-30	1.8
2023-09-30	3.5
2023-12-31	7.5