Quarter	Percent
1999-03-31	3.2
1999-06-30	-1.6
1999-09-30	-6.3
1999-12-31	-5.7
2000-03-31	10.8
2000-06-30	18.8
2000-09-30	17.8
2000-12-31	24.2
2001-03-31	15.1
2001-06-30	9
2001-09-30	15.9
2001-12-31	17.4
2002-03-31	7.5
2002-06-30	8.9
2002-09-30	5.3
2002-12-31	-0.7
2003-03-31	-1.7
2003-06-30	6.6
2003-09-30	7.4
2003-12-31	12.1
2004-03-31	19.3
2004-06-30	13.5
2004-09-30	10.9
2004-12-31	17.2
2005-03-31	15.8
2005-06-30	22.4
2005-09-30	25.7
2005-12-31	27.9
2006-03-31	28.1
2006-06-30	18.1
2006-09-30	22.9
2006-12-31	25.3
2007-03-31	23.4
2007-06-30	32.3
2007-09-30	29.3
2007-12-31	25
2008-03-31	28.3
2008-06-30	19.1
2008-09-30	18.3
2008-12-31	25.3
2009-03-31	19.6
2009-06-30	19.6
2009-09-30	17.8
2009-12-31	8.8
2010-03-31	3.7
2010-06-30	0.3
2010-09-30	-2.6
2010-12-31	-6.2
2011-03-31	-3.7
2011-06-30	-2.8
2011-09-30	-4.1
2011-12-31	-9
2012-03-31	-14
2012-06-30	-15.4
2012-09-30	-12.5
2012-12-31	-4.2
2013-03-31	-1.9
2013-06-30	1
2013-09-30	-0.5
2013-12-31	-7.1
2014-03-31	-9.3
2014-06-30	-12.4
2014-09-30	-14.8
2014-12-31	-13.9
2015-03-31	-11.6
2015-06-30	-10.9
2015-09-30	-10.7
2015-12-31	-8.2
2016-03-31	-5.1
2016-06-30	1.4
2016-09-30	7.3
2016-12-31	7.3
2017-03-31	9.6
2017-06-30	5.8
2017-09-30	4.7
2017-12-31	5.2
2018-03-31	0.8
2018-06-30	1.1
2018-09-30	0.1
2018-12-31	4.4
2019-03-31	-0.7
2019-06-30	-0.8
2019-09-30	-0.8
2019-12-31	-3
2020-03-31	17.9
2020-06-30	11.9
2020-09-30	11.2
2020-12-31	9.8
2021-03-31	-4.1
2021-06-30	0.7
2021-09-30	5.8
2021-12-31	7
2022-03-31	10.6
2022-06-30	7.3
2022-09-30	8.2
2022-12-31	2.8
2023-03-31	-1.4
2023-06-30	1.8
2023-09-30	-2.8
2023-12-31	4.3