Quarter	Percent
1983-06-30	16
1983-09-30	19
1983-12-31	2
1984-03-31	9.6
1984-06-30	17.2
1984-09-30	17.6
1984-12-31	18.6
1985-03-31	30.7
1985-06-30	38.9
1985-09-30	49.7
1985-12-31	38.4
1986-03-31	27.8
1986-06-30	20.4
1986-09-30	21.6
1986-12-31	53.1
1987-03-31	54.1
1987-06-30	50
1987-09-30	36.9
1987-12-31	3.7
1988-03-31	8.1
1988-06-30	10.3
1988-09-30	13.4
1988-12-31	19.4
1989-03-31	26.9
1989-06-30	29.3
1989-09-30	31
1989-12-31	85.7
1990-03-31	75.1
1990-06-30	75.8
1990-09-30	77.7
1990-12-31	24.5
1991-03-31	17.7
1991-06-30	9.9
1991-09-30	8
1991-12-31	10.1
1992-03-31	9.9
1992-06-30	10.4
1992-09-30	8.4
1992-12-31	0.9
1993-03-31	-6.6
1993-06-30	-5.2
1993-09-30	-16.2
1993-12-31	-18.7
1994-03-31	-10.5
1994-06-30	-20
1994-09-30	0.9
1994-12-31	-1.3
1995-03-31	-8.2
1995-06-30	2.5
1995-09-30	-11.4
1995-12-31	2.3
1996-03-31	8.6
1996-06-30	8.4
1996-09-30	11.9
1996-12-31	7.1
1997-03-31	0.7
1997-06-30	16.8
1997-09-30	8.6
1997-12-31	20.4
1998-03-31	33.7
1998-06-30	16.9
1998-09-30	32.9
1998-12-31	13.4
1999-03-31	26.1
1999-06-30	21.5
1999-09-30	16
1999-12-31	22.5
2000-03-31	20
2000-06-30	26.3
2000-09-30	25.5
2000-12-31	24.8
2001-03-31	19.3
2001-06-30	14.2
2001-09-30	6.6
2001-12-31	10.4
2002-03-31	13.5
2002-06-30	12.4
2002-09-30	24.7
2002-12-31	37.5
2003-03-31	15.2
2003-06-30	9.1
2003-09-30	16.6
2003-12-31	25.4
2004-03-31	33.9
2004-06-30	57.1
2004-09-30	49.2
2004-12-31	24.9
2005-03-31	30.2
2005-06-30	36.7
2005-09-30	27.2
2005-12-31	11.7
2006-03-31	9
2006-06-30	-13.9
2006-09-30	-3.3
2006-12-31	14.4
2007-03-31	-1.7
2007-06-30	16.6
2007-09-30	3.3
2007-12-31	7.4
2008-03-31	23.9
2008-06-30	18.8
2008-09-30	30.8
2008-12-31	24.1
2009-03-31	5.5
2009-06-30	0.7
2009-09-30	-8.1
2009-12-31	-18.1
2010-03-31	-17
2010-06-30	-8.3
2010-09-30	-8.7
2010-12-31	-24
2011-03-31	-20.7
2011-06-30	-25.6
2011-09-30	-23.4
2011-12-31	-15.3
2012-03-31	-7.1
2012-06-30	5.1
2012-09-30	2.8
2012-12-31	16.7
2013-03-31	19.9
2013-06-30	10
2013-09-30	9.9
2013-12-31	12.5
2014-03-31	10.5
2014-06-30	14.7
2014-09-30	13.6
2014-12-31	9.8
2015-03-31	13.5
2015-06-30	15.8
2015-09-30	7.8
2015-12-31	-0.7
2016-03-31	-3.1
2016-06-30	-12.2
2016-09-30	-9.2
2016-12-31	-11.2
2017-03-31	-4.5
2017-06-30	-6.3
2017-09-30	11.4
2017-12-31	17.6
2018-03-31	21.1
2018-06-30	29.1
2018-09-30	20
2018-12-31	24.9
2019-03-31	27.5
2019-06-30	20.7
2019-09-30	16.7
2019-12-31	9.7
2020-03-31	14.6
2020-06-30	13.3
2020-09-30	15.3
2020-12-31	16.5
2021-03-31	-7
2021-06-30	-3.7
2021-09-30	-17.4
2021-12-31	-8.4
2022-03-31	9.4
2022-06-30	30.9
2022-09-30	90.4
2022-12-31	58.4
2023-03-31	26.5
2023-06-30	12.9