Quarter	Percent
1998-03-31	13.3
1998-06-30	24.1
1998-09-30	2
1998-12-31	15
1999-03-31	4.3
1999-06-30	48.2
1999-09-30	-2.3
1999-12-31	-5.2
2000-03-31	5.3
2000-06-30	5.3
2000-09-30	4.8
2000-12-31	6.8
2001-03-31	-0.1
2001-06-30	-11.5
2001-09-30	-0.9
2001-12-31	-18.1
2002-03-31	-17.9
2002-06-30	-10.4
2002-09-30	-5.4
2002-12-31	-5.8
2003-03-31	-14.8
2003-06-30	-3.3
2003-09-30	-18.7
2003-12-31	-28
2004-03-31	7.6
2004-06-30	-5.4
2004-09-30	-13.4
2004-12-31	-4.1
2005-03-31	2.7
2005-06-30	71.8
2005-09-30	0.6
2005-12-31	12.6
2006-03-31	-16.2
2006-06-30	10.7
2006-09-30	15.3
2006-12-31	41.2
2007-03-31	-2.4
2007-06-30	13.9
2007-09-30	11.8
2007-12-31	48.3
2008-03-31	82.4
2008-06-30	-11.6
2008-09-30	12.5
2008-12-31	-12.2
2009-03-31	-11.7
2009-06-30	-22
2009-09-30	-51.3
2009-12-31	-22.3
2010-03-31	-12.8
2010-06-30	-17.3
2010-09-30	-0.3
2010-12-31	-1.8
2011-03-31	-26.6
2011-06-30	-7.3
2011-09-30	-14.2
2011-12-31	5.5
2012-03-31	-23.7
2012-06-30	17.5
2012-09-30	-11.7
2012-12-31	10.1
2013-03-31	5.3
2013-06-30	-15
2013-09-30	14.4
2013-12-31	14.1
2014-03-31	6.4
2014-06-30	4.5
2014-09-30	16.1
2014-12-31	3.5
2015-03-31	14.1
2015-06-30	10.7
2015-09-30	-11
2015-12-31	-9.4
2016-03-31	12.7
2016-06-30	9.4
2016-09-30	-2.8
2016-12-31	5
2017-03-31	3.3
2017-06-30	45
2017-09-30	3.1
2017-12-31	3.3
2018-03-31	10.1
2018-06-30	20.6
2018-09-30	3.8
2018-12-31	19.5
2019-03-31	0
2019-06-30	28
2019-09-30	-5.1
2019-12-31	0.8
2020-03-31	30.1
2020-06-30	-13.8
2020-09-30	7.1
2020-12-31	-13.3
2021-03-31	-11.4
2021-06-30	21.5
2021-09-30	15
2021-12-31	-8.1
2022-03-31	24.3
2022-06-30	-7.1
2022-09-30	29.8
2022-12-31	-2.3
2023-03-31	-10.9
2023-06-30	-8.4
2023-09-30	19.8
2023-12-31	-7.2