Quarter	Percent
1979-03-31	-0.71
1979-06-30	-1.89
1979-09-30	-0.7
1979-12-31	-1.21
1980-03-31	0.76
1980-06-30	-4.14
1980-09-30	-1.02
1980-12-31	2
1981-03-31	1.34
1981-06-30	2.63
1981-09-30	0.46
1981-12-31	-0.72
1982-03-31	0.92
1982-06-30	1.27
1982-09-30	0.48
1982-12-31	-0.4
1983-03-31	-0.31
1983-06-30	0.04
1983-09-30	0.02
1983-12-31	0.26
1984-03-31	0.66
1984-06-30	0.94
1984-09-30	0.23
1984-12-31	-0.35
1985-03-31	-1.23
1985-06-30	-1.49
1985-09-30	-1.14
1985-12-31	-1.29
1986-03-31	-1.39
1986-06-30	-1.13
1986-09-30	-1.69
1986-12-31	-1.69
1987-03-31	-1.29
1987-06-30	-0.78
1987-09-30	-0.8
1987-12-31	-0.64
1988-03-31	-0.74
1988-06-30	-0.85
1988-09-30	-1.35
1988-12-31	-1.61
1989-03-31	-1.07
1989-06-30	-1.81
1989-09-30	-2.09
1989-12-31	-2.54
1990-03-31	-2.6
1990-06-30	-2.75
1990-09-30	-2.96
1990-12-31	-2.89
1991-03-31	-2.52
1991-06-30	-2
1991-09-30	-1.99
1991-12-31	-3.11
1992-03-31	-2.72
1992-06-30	-2.895
1992-09-30	-2.56
1992-12-31	-1.335
1993-03-31	-0.99
1993-06-30	-1.015
1993-09-30	-0.985
1993-12-31	-0.705
1994-03-31	-0.525
1994-06-30	-0.13
1994-09-30	-0.145
1994-12-31	-0.045
1995-03-31	-0.135
1995-06-30	-0.325
1995-09-30	-0.285
1995-12-31	-0.335
1996-03-31	-0.21
1996-06-30	-0.06
1996-09-30	-0.105
1996-12-31	-0.38
1997-03-31	-0.22
1997-06-30	-0.455
1997-09-30	-0.595
1997-12-31	-0.73
1998-03-31	-0.735
1998-06-30	-0.85
1998-09-30	-0.835
1998-12-31	-0.425
1999-03-31	-0.09
1999-06-30	0.125
1999-09-30	0.1
1999-12-31	0.01
2000-03-31	0.065
2000-06-30	0.26
2000-09-30	0.26
2000-12-31	0.21
2001-03-31	-0.185
2001-06-30	-0.475
2001-09-30	-0.69
2001-12-31	-0.755
2002-03-31	-0.755
2002-06-30	-0.85
2002-09-30	-0.83
2002-12-31	-1.01
2003-03-31	-0.91
2003-06-30	-1.02
2003-09-30	-1.06
2003-12-31	-1.265
2004-03-31	-1.465
2004-06-30	-1.46
2004-09-30	-1.275
2004-12-31	-1.05
2005-03-31	-0.85
2005-06-30	-0.49
2005-09-30	-0.2
2005-12-31	0
2006-03-31	0.2
2006-06-30	0.39
2006-09-30	0.175
2006-12-31	0.055
2007-03-31	-0.085
2007-06-30	-0.27
2007-09-30	-0.415
2007-12-31	-0.49
2008-03-31	-1.425
2008-06-30	-1.38
2008-09-30	0.5
2008-12-31	-0.235
2009-03-31	0.05
2009-06-30	-0.025
2009-09-30	-0.04
2009-12-31	-0.09
2010-03-31	-0.085
2010-06-30	-0.005
2010-09-30	-0.1
2010-12-31	-0.115
2011-03-31	-0.205
2011-06-30	-0.18
2011-09-30	-0.135
2011-12-31	-0.135
2012-03-31	-0.095
2012-06-30	-0.04
2012-09-30	-0.04
2012-12-31	-0.045
2013-03-31	-0.07
2013-06-30	-0.09
2013-09-30	-0.105
2013-12-31	-0.105
2014-03-31	-0.115
2014-06-30	-0.13
2014-09-30	-0.13
2014-12-31	-0.115
2015-03-31	-0.095
2015-06-30	-0.105
2015-09-30	-0.045
2015-12-31	0.02
2016-03-31	0.05
2016-06-30	0.1
2016-09-30	0.27
2016-12-31	0.285
2017-03-31	0.28
2017-06-30	0.37
2017-09-30	0.39
2017-12-31	0.41
2018-03-31	0.55
2018-06-30	0.54
2018-09-30	0.605
2018-12-31	0.57
2019-03-31	0.59
2019-06-30	0.51
2019-09-30	0.48
2019-12-31	0.33