Quarter	Percent
1998-12-31	10.4
1999-03-31	3.6
1999-06-30	5.1
1999-09-30	-9.9
1999-12-31	-13.1
2000-03-31	-1.8
2000-06-30	-0.5
2000-09-30	9.2
2000-12-31	13.7
2001-03-31	3.7
2001-06-30	-5.4
2001-09-30	3.2
2001-12-31	-2.5
2002-03-31	-6.4
2002-06-30	3.1
2002-09-30	-4.7
2002-12-31	3.7
2003-03-31	6.4
2003-06-30	1
2003-09-30	1.6
2003-12-31	-4.5
2004-03-31	-2.9
2004-06-30	2
2004-09-30	3
2004-12-31	4.3
2005-03-31	7.3
2005-06-30	9.8
2005-09-30	3.5
2005-12-31	18.5
2006-03-31	0.4
2006-06-30	-7.2
2006-09-30	-0.1
2006-12-31	-4.7
2007-03-31	4.6
2007-06-30	14.2
2007-09-30	7.6
2007-12-31	8.9
2008-03-31	15.8
2008-06-30	-5.3
2008-09-30	-5.5
2008-12-31	-16.4
2009-03-31	-24.2
2009-06-30	-12.9
2009-09-30	-17.2
2009-12-31	-11.3
2010-03-31	-5
2010-06-30	-9.1
2010-09-30	-7.5
2010-12-31	-9.1
2011-03-31	-4.1
2011-06-30	-2.7
2011-09-30	0.4
2011-12-31	-1.4
2012-03-31	3.6
2012-06-30	5.1
2012-09-30	1.9
2012-12-31	6.3
2013-03-31	-1.1
2013-06-30	0.6
2013-09-30	1.3
2013-12-31	-7.3
2014-03-31	-7.1
2014-06-30	-9.3
2014-09-30	-4
2014-12-31	-1.8
2015-03-31	4.5
2015-06-30	0.4
2015-09-30	-8.5
2015-12-31	-4.9
2016-03-31	-11
2016-06-30	-1.1
2016-09-30	13
2016-12-31	13.5
2017-03-31	16.2
2017-06-30	5.9
2017-09-30	-1.8
2017-12-31	2.5
2018-03-31	1.3
2018-06-30	5.6
2018-09-30	4.8
2018-12-31	0.4
2019-03-31	2.8
2019-06-30	8.7
2019-09-30	14.1
2019-12-31	8.8
2020-03-31	25.8
2020-06-30	23.6
2020-09-30	14.2
2020-12-31	24.6
2021-03-31	-5.9
2021-06-30	-10.9
2021-09-30	-9.3
2021-12-31	-10.5
2022-03-31	-2.2
2022-06-30	3.4
2022-09-30	23.5
2022-12-31	2.9
2023-03-31	-8.6
2023-06-30	-10.1
2023-09-30	-19.7
2023-12-31	-7.2