Quarter	Percent
1998-03-31	-7.4
1998-06-30	-25.5
1998-09-30	18
1998-12-31	21.2
1999-03-31	-31.1
1999-06-30	15.6
1999-09-30	-5.4
1999-12-31	70.9
2000-03-31	-39.6
2000-06-30	25.5
2000-09-30	12.5
2000-12-31	26.5
2001-03-31	-33.4
2001-06-30	37.1
2001-09-30	18.8
2001-12-31	50.3
2002-03-31	-36.4
2002-06-30	2.2
2002-09-30	23.3
2002-12-31	48
2003-03-31	-36.3
2003-06-30	22.7
2003-09-30	6.3
2003-12-31	57.9
2004-03-31	-19.2
2004-06-30	17.1
2004-09-30	0.6
2004-12-31	27.4
2005-03-31	-35.8
2005-06-30	12.1
2005-09-30	-7.1
2005-12-31	65.7
2006-03-31	-40.7
2006-06-30	41
2006-09-30	-6
2006-12-31	30.3
2007-03-31	-21.3
2007-06-30	9.8
2007-09-30	11.6
2007-12-31	50.7
2008-03-31	-29
2008-06-30	-24.1
2008-09-30	1.7
2008-12-31	2.1
2009-03-31	-21.5
2009-06-30	9.2
2009-09-30	15.1
2009-12-31	45.2
2010-03-31	-29.5
2010-06-30	5.1
2010-09-30	-0.7
2010-12-31	38.7
2011-03-31	-24.5
2011-06-30	8.7
2011-09-30	-1.4
2011-12-31	48.9
2012-03-31	-23
2012-06-30	7.1
2012-09-30	1.2
2012-12-31	43.3
2013-03-31	-30.1
2013-06-30	12.4
2013-09-30	23.3
2013-12-31	56.6
2014-03-31	-15.6
2014-06-30	14.2
2014-09-30	8.9
2014-12-31	59.1
2015-03-31	-18.5
2015-06-30	7.4
2015-09-30	9.7
2015-12-31	44.1
2016-03-31	-22.1
2016-06-30	8.5
2016-09-30	17.6
2016-12-31	48.3
2017-03-31	-25.5
2017-06-30	13.9
2017-09-30	3.8
2017-12-31	26.8
2018-03-31	-25.9
2018-06-30	18.9
2018-09-30	-4.9
2018-12-31	46.2
2019-03-31	-34.6
2019-06-30	13.1
2019-09-30	10.3
2019-12-31	24.2
2020-03-31	9.5
2020-06-30	177.6
2020-09-30	26.6
2020-12-31	30.1
2021-03-31	-29.4
2021-06-30	37.9
2021-09-30	6.8
2021-12-31	2.1
2022-03-31	-22.7
2022-06-30	-10
2022-09-30	-11.8
2022-12-31	16.3
2023-03-31	-26.1
2023-06-30	4.3
2023-09-30	3
2023-12-31	9.1