Quarter	Percent
2000-09-30	31.7
2000-12-31	70.3
2001-03-31	28
2001-06-30	34.4
2001-09-30	39.6
2001-12-31	50.4
2002-03-31	40.9
2002-06-30	50.2
2002-09-30	53.2
2002-12-31	61.8
2003-03-31	36.1
2003-06-30	16.9
2003-09-30	38.2
2003-12-31	11.7
2004-03-31	50.5
2004-06-30	45.7
2004-09-30	56.1
2004-12-31	58.2
2005-03-31	42.3
2005-06-30	55
2005-09-30	53.9
2005-12-31	59
2006-03-31	44.2
2006-06-30	50.7
2006-09-30	65
2006-12-31	57.6
2007-03-31	58.4
2007-06-30	61.4
2007-09-30	44.5
2007-12-31	43.5
2008-03-31	73.2
2008-06-30	38.1
2008-09-30	65.9
2008-12-31	54.2
2009-03-31	74.8
2009-06-30	72.2
2009-09-30	53.9
2009-12-31	50.9
2010-03-31	46.3
2010-06-30	-4.7
2010-09-30	-2.4
2010-12-31	-5.2
2011-03-31	-3.2
2011-06-30	-4.1
2011-09-30	-3.6
2011-12-31	-1.8
2012-03-31	-4
2012-06-30	-2.4
2012-09-30	-2.4
2012-12-31	-2.6
2013-03-31	0
2013-06-30	2.3
2013-09-30	1.2
2013-12-31	0.2
2014-03-31	0.8
2014-06-30	-1
2014-09-30	-2.5
2014-12-31	-3.4
2015-03-31	-1.2
2015-06-30	-4.3
2015-09-30	-4.7
2015-12-31	-2
2016-03-31	-6.4
2016-06-30	-2.5
2016-09-30	0.5
2016-12-31	-0.4
2017-03-31	1.7
2017-06-30	1.1
2017-09-30	3.4
2017-12-31	4.8
2018-03-31	8.7
2018-06-30	-0.9
2018-09-30	-2.6
2018-12-31	-6
2019-03-31	-8.3
2019-06-30	-1
2019-09-30	-5.5
2019-12-31	8.2
2020-03-31	3.5
2020-06-30	10.3
2020-09-30	9.1
2020-12-31	1.8
2021-03-31	4.3
2021-06-30	-3.3
2021-09-30	0
2021-12-31	-1.7
2022-03-31	-5.3
2022-06-30	-2.1
2022-09-30	-1.9
2022-12-31	-5.2
2023-03-31	0.8
2023-06-30	-3.6
2023-09-30	-2.9
2023-12-31	-1.1