Quarter	Percent
1998-12-31	21.2
1999-03-31	11.3
1999-06-30	3.1
1999-09-30	-6.1
1999-12-31	-3.9
2000-03-31	7.9
2000-06-30	9.9
2000-09-30	11.5
2000-12-31	13
2001-03-31	7.1
2001-06-30	5
2001-09-30	10.2
2001-12-31	0.9
2002-03-31	-2
2002-06-30	-1.1
2002-09-30	-0.7
2002-12-31	3.2
2003-03-31	-0.7
2003-06-30	4.7
2003-09-30	-1.2
2003-12-31	-1.1
2004-03-31	-0.4
2004-06-30	-6.5
2004-09-30	-3.5
2004-12-31	3.7
2005-03-31	9.2
2005-06-30	11
2005-09-30	16.7
2005-12-31	15.2
2006-03-31	14
2006-06-30	20
2006-09-30	20.9
2006-12-31	14.7
2007-03-31	16.5
2007-06-30	14.3
2007-09-30	16.7
2007-12-31	18
2008-03-31	10.3
2008-06-30	7.2
2008-09-30	1.6
2008-12-31	5.5
2009-03-31	12
2009-06-30	8.1
2009-09-30	-0.1
2009-12-31	-7.1
2010-03-31	-9.4
2010-06-30	-7.5
2010-09-30	-3.4
2010-12-31	3.3
2011-03-31	1.5
2011-06-30	2
2011-09-30	5.9
2011-12-31	-3.5
2012-03-31	2
2012-06-30	0.8
2012-09-30	1.6
2012-12-31	5.4
2013-03-31	1.1
2013-06-30	2.2
2013-09-30	1
2013-12-31	-2.4
2014-03-31	0.3
2014-06-30	1.5
2014-09-30	-1.2
2014-12-31	0.5
2015-03-31	-0.2
2015-06-30	-2.5
2015-09-30	-4.1
2015-12-31	-5.5
2016-03-31	-4.2
2016-06-30	3.4
2016-09-30	12.9
2016-12-31	16.3
2017-03-31	18.2
2017-06-30	13.4
2017-09-30	8.6
2017-12-31	11.3
2018-03-31	7.1
2018-06-30	5
2018-09-30	-1.2
2018-12-31	-1.7
2019-03-31	-3.5
2019-06-30	-3.9
2019-09-30	5.2
2019-12-31	5.7
2020-03-31	17.1
2020-06-30	16.8
2020-09-30	11.1
2020-12-31	13.7
2021-03-31	0.3
2021-06-30	0.6
2021-09-30	4.2
2021-12-31	4.4
2022-03-31	9.4
2022-06-30	10.1
2022-09-30	28.2
2022-12-31	2
2023-03-31	3.4
2023-06-30	3
2023-09-30	-22
2023-12-31	-0.8