Quarter	Percent
1998-09-30	20.3
1998-12-31	-14
1999-03-31	4.8
1999-06-30	13.6
1999-09-30	20.6
1999-12-31	-8.9
2000-03-31	2.7
2000-06-30	13
2000-09-30	9.9
2000-12-31	-8.9
2001-03-31	-0.9
2001-06-30	-1.9
2001-09-30	10.5
2001-12-31	-12.9
2002-03-31	0.6
2002-06-30	20.9
2002-09-30	10.5
2002-12-31	-13.1
2003-03-31	7.2
2003-06-30	22.3
2003-09-30	5
2003-12-31	-18.6
2004-03-31	9.3
2004-06-30	11.1
2004-09-30	14.5
2004-12-31	-14.6
2005-03-31	12.2
2005-06-30	8.4
2005-09-30	17.2
2005-12-31	11
2006-03-31	9.5
2006-06-30	-8.2
2006-09-30	12.2
2006-12-31	0.7
2007-03-31	-1.2
2007-06-30	14.3
2007-09-30	17.2
2007-12-31	-7.7
2008-03-31	3.4
2008-06-30	19
2008-09-30	18.1
2008-12-31	-15.8
2009-03-31	10.5
2009-06-30	14.6
2009-09-30	13.2
2009-12-31	-16.9
2010-03-31	13.6
2010-06-30	11.3
2010-09-30	10.9
2010-12-31	-13.5
2011-03-31	6.7
2011-06-30	8.8
2011-09-30	9.6
2011-12-31	-9.3
2012-03-31	12.7
2012-06-30	13.6
2012-09-30	16.2
2012-12-31	-2.6
2013-03-31	14
2013-06-30	14.8
2013-09-30	15.3
2013-12-31	-8.3
2014-03-31	13
2014-06-30	21
2014-09-30	12.1
2014-12-31	-3
2015-03-31	12.9
2015-06-30	16.6
2015-09-30	14.5
2015-12-31	7.8
2016-03-31	0
2016-06-30	8
2016-09-30	7.9
2016-12-31	-7.4
2017-03-31	8.1
2017-06-30	10.1
2017-09-30	1.5
2017-12-31	-6.7
2018-03-31	2.6
2018-06-30	7.1
2018-09-30	7.6
2018-12-31	-5.5
2019-03-31	3.4
2019-06-30	5
2019-09-30	3.6
2019-12-31	-11.6
2020-03-31	1.7
2020-06-30	13.3
2020-09-30	6.4
2020-12-31	-7.1
2021-03-31	6.2
2021-06-30	4.4
2021-09-30	0
2021-12-31	-10.2
2022-03-31	1
2022-06-30	3.3
2022-09-30	-5.7
2022-12-31	-12.1
2023-03-31	0.3
2023-06-30	1.5
2023-09-30	-4.5
2023-12-31	-5