Quarter	Percent
2000-12-31	8.2
2001-03-31	-0.3
2001-06-30	16.1
2001-09-30	16.3
2001-12-31	22.7
2002-03-31	20.3
2002-06-30	16.6
2002-09-30	24.6
2002-12-31	20.2
2003-03-31	21.8
2003-06-30	21.1
2003-09-30	19.4
2003-12-31	26.2
2004-03-31	32.4
2004-06-30	27.3
2004-09-30	22.2
2004-12-31	17.2
2005-03-31	17.5
2005-06-30	20.2
2005-09-30	12
2005-12-31	15.2
2006-03-31	13.2
2006-06-30	17.2
2006-09-30	13.6
2006-12-31	8.3
2007-03-31	7.6
2007-06-30	5.9
2007-09-30	8.7
2007-12-31	13.4
2008-03-31	16.2
2008-06-30	5.4
2008-09-30	7.9
2008-12-31	-4.5
2009-03-31	2.5
2009-06-30	-3.9
2009-09-30	1.1
2009-12-31	3.9
2010-03-31	1
2010-06-30	5.5
2010-09-30	1.7
2010-12-31	0.5
2011-03-31	2.2
2011-06-30	3.1
2011-09-30	2.9
2011-12-31	4.8
2012-03-31	5.3
2012-06-30	4.9
2012-09-30	5.6
2012-12-31	4.6
2013-03-31	2.1
2013-06-30	3.3
2013-09-30	8.6
2013-12-31	11
2014-03-31	16.4
2014-06-30	16.8
2014-09-30	13.2
2014-12-31	13.7
2015-03-31	12.7
2015-06-30	11
2015-09-30	11.2
2015-12-31	8.5
2016-03-31	7.3
2016-06-30	7.5
2016-09-30	9.4
2016-12-31	10.2
2017-03-31	9
2017-06-30	10.3
2017-09-30	6.9
2017-12-31	2.8
2018-03-31	2.7
2018-06-30	3.8
2018-09-30	1.5
2018-12-31	5.2
2019-03-31	2
2019-06-30	0.7
2019-09-30	4.5
2019-12-31	0.3
2020-03-31	14.1
2020-06-30	42.9
2020-09-30	47.9
2020-12-31	49.6
2021-03-31	34
2021-06-30	12.5
2021-09-30	7.8
2021-12-31	1.5
2022-03-31	3.8
2022-06-30	-6.6
2022-09-30	-11
2022-12-31	-8.1
2023-03-31	-9.1
2023-06-30	-5.7
2023-09-30	-2
2023-12-31	-3.5