Quarter	Percent
1998-09-30	12.6
1998-12-31	-7.7
1999-03-31	-6
1999-06-30	-3.8
1999-09-30	-3.1
1999-12-31	9.2
2000-03-31	15.5
2000-06-30	16.8
2000-09-30	14.1
2000-12-31	21.1
2001-03-31	16.5
2001-06-30	10.3
2001-09-30	14.8
2001-12-31	11.3
2002-03-31	2.5
2002-06-30	15.1
2002-09-30	10
2002-12-31	7.1
2003-03-31	9.6
2003-06-30	6.8
2003-09-30	13.8
2003-12-31	17.1
2004-03-31	27.3
2004-06-30	23.3
2004-09-30	17
2004-12-31	17
2005-03-31	7.7
2005-06-30	8.5
2005-09-30	8.2
2005-12-31	10
2006-03-31	18.6
2006-06-30	18.8
2006-09-30	19.4
2006-12-31	19.2
2007-03-31	21
2007-06-30	25.2
2007-09-30	31.1
2007-12-31	29.7
2008-03-31	24.1
2008-06-30	14.3
2008-09-30	12.5
2008-12-31	9.6
2009-03-31	1.7
2009-06-30	4.2
2009-09-30	-1.5
2009-12-31	-0.1
2010-03-31	1
2010-06-30	-0.3
2010-09-30	2.7
2010-12-31	-0.1
2011-03-31	-1.8
2011-06-30	1.2
2011-09-30	1.1
2011-12-31	-6.3
2012-03-31	-3.7
2012-06-30	-6.6
2012-09-30	-7.4
2012-12-31	3.2
2013-03-31	3.5
2013-06-30	2.5
2013-09-30	2.3
2013-12-31	-3.7
2014-03-31	-15
2014-06-30	-14.8
2014-09-30	-16.3
2014-12-31	-18.7
2015-03-31	-5.7
2015-06-30	-5.2
2015-09-30	-3.3
2015-12-31	-0.9
2016-03-31	-3
2016-06-30	3.6
2016-09-30	-0.2
2016-12-31	2.4
2017-03-31	5.9
2017-06-30	2.4
2017-09-30	6.6
2017-12-31	7.7
2018-03-31	2.1
2018-06-30	1.3
2018-09-30	3
2018-12-31	8
2019-03-31	3.3
2019-06-30	2.7
2019-09-30	5.8
2019-12-31	2.9
2020-03-31	17.7
2020-06-30	15.2
2020-09-30	9.7
2020-12-31	9.5
2021-03-31	-4
2021-06-30	-0.5
2021-09-30	2.1
2021-12-31	2.9
2022-03-31	6.9
2022-06-30	5.7
2022-09-30	5.8
2022-12-31	-1
2023-03-31	-2.2
2023-06-30	1.3
2023-09-30	-0.4
2023-12-31	10.1