Quarter	Percent
1998-12-31	2.5
1999-03-31	4.8
1999-06-30	8.1
1999-09-30	8.7
1999-12-31	5
2000-03-31	4.7
2000-06-30	4.9
2000-09-30	0.7
2000-12-31	1.3
2001-03-31	-3.4
2001-06-30	-6.8
2001-09-30	-2.2
2001-12-31	0.2
2002-03-31	5.6
2002-06-30	8.6
2002-09-30	7.5
2002-12-31	9.6
2003-03-31	9.6
2003-06-30	9.7
2003-09-30	10
2003-12-31	9.3
2004-03-31	10.1
2004-06-30	11.9
2004-09-30	19
2004-12-31	20.8
2005-03-31	24.4
2005-06-30	24.5
2005-09-30	21.7
2005-12-31	23.6
2006-03-31	18.7
2006-06-30	32.1
2006-09-30	41.5
2006-12-31	24.6
2007-03-31	24.9
2007-06-30	7.5
2007-09-30	6.8
2007-12-31	21.2
2008-03-31	20.8
2008-06-30	27.1
2008-09-30	15
2008-12-31	10.1
2009-03-31	8.5
2009-06-30	3.9
2009-09-30	4
2009-12-31	2.6
2010-03-31	3.2
2010-06-30	4.7
2010-09-30	3.1
2010-12-31	2.6
2011-03-31	-0.2
2011-06-30	-2.9
2011-09-30	-3.1
2011-12-31	-2.3
2012-03-31	0
2012-06-30	1.2
2012-09-30	1.3
2012-12-31	1.3
2013-03-31	-2
2013-06-30	-2.1
2013-09-30	-2.6
2013-12-31	-4.2
2014-03-31	-1.9
2014-06-30	-2.5
2014-09-30	-3.9
2014-12-31	-3.4
2015-03-31	-2.9
2015-06-30	-1.6
2015-09-30	0.2
2015-12-31	0.9
2016-03-31	2.6
2016-06-30	2.2
2016-09-30	2.2
2016-12-31	0.5
2017-03-31	0.6
2017-06-30	-0.5
2017-09-30	-0.1
2017-12-31	1.9
2018-03-31	0.5
2018-06-30	0.2
2018-09-30	-0.7
2018-12-31	-0.7
2019-03-31	-1.1
2019-06-30	0.6
2019-09-30	0.2
2019-12-31	0.5
2020-03-31	-0.5
2020-06-30	4.4
2020-09-30	6.8
2020-12-31	6
2021-03-31	10
2021-06-30	-1.5
2021-09-30	-3.6
2021-12-31	-4.2
2022-03-31	-8.2
2022-06-30	-3.3
2022-09-30	-2.3
2022-12-31	-2.2
2023-03-31	-0.7
2023-06-30	-0.4
2023-09-30	-2.1
2023-12-31	-1.6