Quarter	Percent
1999-03-31	2.4
1999-06-30	-0.2
1999-09-30	-4.8
1999-12-31	-3.8
2000-03-31	-2.8
2000-06-30	-2.8
2000-09-30	1.3
2000-12-31	3.2
2001-03-31	3.3
2001-06-30	25.3
2001-09-30	28.7
2001-12-31	19.9
2002-03-31	17.4
2002-06-30	-7.9
2002-09-30	-11.2
2002-12-31	-6.3
2003-03-31	-3.6
2003-06-30	4.4
2003-09-30	6.5
2003-12-31	10.4
2004-03-31	8.2
2004-06-30	7.4
2004-09-30	3.5
2004-12-31	1.1
2005-03-31	-0.7
2005-06-30	0.7
2005-09-30	2.8
2005-12-31	-3.9
2006-03-31	0.3
2006-06-30	9.5
2006-09-30	10.5
2006-12-31	14.4
2007-03-31	20.6
2007-06-30	11.8
2007-09-30	14.5
2007-12-31	22.1
2008-03-31	16.5
2008-06-30	12.6
2008-09-30	8.9
2008-12-31	-0.1
2009-03-31	-5.2
2009-06-30	-8
2009-09-30	-10.6
2009-12-31	0.8
2010-03-31	1.1
2010-06-30	6.3
2010-09-30	6.5
2010-12-31	6.9
2011-03-31	9.3
2011-06-30	7.8
2011-09-30	12.8
2011-12-31	14.3
2012-03-31	10.1
2012-06-30	6.5
2012-09-30	6.4
2012-12-31	3.9
2013-03-31	5.1
2013-06-30	3.1
2013-09-30	2.9
2013-12-31	4.8
2014-03-31	4.7
2014-06-30	10.2
2014-09-30	10.3
2014-12-31	3.9
2015-03-31	3.3
2015-06-30	1.6
2015-09-30	3.6
2015-12-31	-6.4
2016-03-31	1.7
2016-06-30	7.1
2016-09-30	6.4
2016-12-31	20
2017-03-31	14.4
2017-06-30	12.6
2017-09-30	14.2
2017-12-31	12
2018-03-31	10.1
2018-06-30	9.4
2018-09-30	3.5
2018-12-31	3.4
2019-03-31	-0.3
2019-06-30	-1.2
2019-09-30	1.7
2019-12-31	2.2
2020-03-31	5.4
2020-06-30	14.6
2020-09-30	21.4
2020-12-31	21.9
2021-03-31	21.5
2021-06-30	13.2
2021-09-30	8.5
2021-12-31	5.3
2022-03-31	5.4
2022-06-30	4.8
2022-09-30	8
2022-12-31	3.7
2023-03-31	2.5
2023-06-30	0.9
2023-09-30	-2.2
2023-12-31	-6.1