Quarter	Percent
1979-03-31	-1.5
1979-06-30	-5.25
1979-09-30	-2.75
1979-12-31	-4.45
1980-03-31	1.02
1980-06-30	-9.15
1980-09-30	-1.1
1980-12-31	2.45
1981-03-31	4.85
1981-06-30	5.57
1981-09-30	2.12
1981-12-31	-1
1982-03-31	2.92
1982-06-30	4.6
1982-09-30	3.15
1982-12-31	-0.9
1983-03-31	-0.55
1983-06-30	0.26
1983-09-30	0.42
1983-12-31	0.95
1984-03-31	3.02
1984-06-30	3.77
1984-09-30	1.45
1984-12-31	-0.33
1985-03-31	-1.68
1985-06-30	-4.2
1985-09-30	-2.91
1985-12-31	-4.6
1986-03-31	-3.68
1986-06-30	-3.96
1986-09-30	-6.08
1986-12-31	-6.25
1987-03-31	-4.23
1987-06-30	-2.35
1987-09-30	-2.33
1987-12-31	-2.48
1988-03-31	-2.33
1988-06-30	-3.01
1988-09-30	-4.08
1988-12-31	-5
1989-03-31	-2.55
1989-06-30	-6.95
1989-09-30	-7.47
1989-12-31	-8.9
1990-03-31	-9.23
1990-06-30	-9.23
1990-09-30	-9.81
1990-12-31	-8.73
1991-03-31	-6.91
1991-06-30	-5.69
1991-09-30	-6.92
1991-12-31	-11.3
1992-03-31	-9.315
1992-06-30	-9.92
1992-09-30	-8.34
1992-12-31	-3.665
1993-03-31	-3.17
1993-06-30	-3.04
1993-09-30	-3.1
1993-12-31	-1.9
1994-03-31	-1.38
1994-06-30	-0.555
1994-09-30	-1.585
1994-12-31	-0.18
1995-03-31	-1.04
1995-06-30	-2.3
1995-09-30	-1.13
1995-12-31	-1.3
1996-03-31	-1
1996-06-30	-0.05
1996-09-30	-0.295
1996-12-31	-1.86
1997-03-31	-0.96
1997-06-30	-1.8
1997-09-30	-2.29
1997-12-31	-2.585
1998-03-31	-2.56
1998-06-30	-3.26
1998-09-30	-2.905
1998-12-31	-0.65
1999-03-31	0.24
1999-06-30	0.715
1999-09-30	-0.31
1999-12-31	-0.185
2000-03-31	0.445
2000-06-30	1.165
2000-09-30	0.74
2000-12-31	0.415
2001-03-31	-0.64
2001-06-30	-1.905
2001-09-30	-2.515
2001-12-31	-2.805
2002-03-31	-2.41
2002-06-30	-3.415
2002-09-30	-3.33
2002-12-31	-3.87
2003-03-31	-3.42
2003-06-30	-3.72
2003-09-30	-4.4
2003-12-31	-5.025
2004-03-31	-5.96
2004-06-30	-4.83
2004-09-30	-4.39
2004-12-31	-3.19
2005-03-31	-2.19
2005-06-30	-0.935
2005-09-30	0.045
2005-12-31	0.585
2006-03-31	0.97
2006-06-30	1.36
2006-09-30	0.185
2006-12-31	-0.26
2007-03-31	-1.035
2007-06-30	-1.595
2007-09-30	-2.17
2007-12-31	-2.54
2008-03-31	-5.47
2008-06-30	-5.305
2008-09-30	-1.68
2008-12-31	-0.3
2009-03-31	0.27
2009-06-30	-0.185
2009-09-30	-0.08
2009-12-31	-0.375
2010-03-31	-0.245
2010-06-30	-0.035
2010-09-30	-0.43
2010-12-31	-0.665
2011-03-31	-1.17
2011-06-30	-0.78
2011-09-30	-0.465
2011-12-31	-0.54
2012-03-31	-0.4
2012-06-30	-0.165
2012-09-30	-0.175
2012-12-31	-0.2
2013-03-31	-0.135
2013-06-30	-0.305
2013-09-30	-0.41
2013-12-31	-0.565
2014-03-31	-0.56
2014-06-30	-0.89
2014-09-30	-0.685
2014-12-31	-0.295
2015-03-31	-0.155
2015-06-30	-0.32
2015-09-30	-0.165
2015-12-31	0.275
2016-03-31	0.415
2016-06-30	0.545
2016-09-30	1.045
2016-12-31	1.225
2017-03-31	1.325
2017-06-30	1.435
2017-09-30	1.46
2017-12-31	1.855
2018-03-31	2.22
2018-06-30	2.31
2018-09-30	2.44
2018-12-31	2.175
2019-03-31	2.2
2019-06-30	1.58
2019-09-30	1.435
2019-12-31	1.265