Quarter	Percent
1979-03-31	-0.785
1979-06-30	-0.8975
1979-09-30	-1.3542
1979-12-31	-0.4936
1980-03-31	-0.9222
1980-06-30	-2.5061
1980-09-30	-3.0826
1980-12-31	0.5075
1981-03-31	2.0894
1981-06-30	2.7466
1981-09-30	1.9584
1981-12-31	-0.4864
1982-03-31	0.3906
1982-06-30	0.8607
1982-09-30	0.5728
1982-12-31	0.078
1983-03-31	-0.69
1983-06-30	-0.2661
1983-09-30	0.1526
1983-12-31	0.2263
1984-03-31	0.3484
1984-06-30	0.8007
1984-09-30	0.2811
1984-12-31	-0.0422
1985-03-31	-1.0386
1985-06-30	-1.3357
1985-09-30	-1.1942
1985-12-31	-1.2025
1986-03-31	-1.5472
1986-06-30	-1.1683
1986-09-30	-1.3566
1986-12-31	-1.7595
1987-03-31	-1.5613
1987-06-30	-0.8085
1987-09-30	-1.0065
1987-12-31	-0.5397
1988-03-31	-0.8891
1988-06-30	-0.4175
1988-09-30	-1.2095
1988-12-31	-1.4795
1989-03-31	-1.3377
1989-06-30	-1.4354
1989-09-30	-1.9067
1989-12-31	-2.4613
1990-03-31	-2.6752
1990-06-30	-2.688
1990-09-30	-3.0506
1990-12-31	-2.6755
1991-03-31	-2.9032
1991-06-30	-2.2666
1991-09-30	-2.0091
1991-12-31	-2.3987
1992-03-31	-2.7301
1992-06-30	-2.7554
1992-09-30	-3.2005
1992-12-31	-1.568
1993-03-31	-1.1196
1993-06-30	-1.0475
1993-09-30	-1.0175
1993-12-31	-0.8091
1994-03-31	-0.6262
1994-06-30	-0.2673
1994-09-30	-0.2012
1994-12-31	-0.0729
1995-03-31	-0.1356
1995-06-30	-0.2191
1995-09-30	-0.3423
1995-12-31	-0.302
1996-03-31	-0.3033
1996-06-30	-0.1711
1996-09-30	-0.065
1996-12-31	-0.2825
1997-03-31	-0.2889
1997-06-30	-0.2922
1997-09-30	-0.5763
1997-12-31	-0.6806
1998-03-31	-0.7409
1998-06-30	-0.7497
1998-09-30	-0.8082
1998-12-31	-0.628
1999-03-31	-0.246
1999-06-30	-0.0505
1999-09-30	0.0995
1999-12-31	0.1235
2000-03-31	0.0077
2000-06-30	0.192
2000-09-30	0.2247
2000-12-31	0.2542
2001-03-31	-0.1013
2001-06-30	-0.3756
2001-09-30	-0.5329
2001-12-31	-0.7088
2002-03-31	-0.7537
2002-06-30	-0.808
2002-09-30	-0.8331
2002-12-31	-0.9329
2003-03-31	-0.9651
2003-06-30	-0.9658
2003-09-30	-0.9734
2003-12-31	-1.1689
2004-03-31	-1.3891
2004-06-30	-1.4625
2004-09-30	-1.4133
2004-12-31	-1.1667
2005-03-31	-0.9376
2005-06-30	-0.711
2005-09-30	-0.3382
2005-12-31	-0.0856
2006-03-31	0.113
2006-06-30	0.2852
2006-09-30	0.2873
2006-12-31	0.1076
2007-03-31	-0.0532
2007-06-30	-0.1643
2007-09-30	-0.3807
2007-12-31	-0.5698
2008-03-31	-1.1386
2008-06-30	-1.362
2008-09-30	-1.1706
2008-12-31	-0.2734
2009-03-31	-0.0728
2009-06-30	-0.0225
2009-09-30	-0.0228
2009-12-31	-0.0869
2010-03-31	-0.0948
2010-06-30	-0.0189
2010-09-30	-0.0761
2010-12-31	-0.1117
2011-03-31	-0.1523
2011-06-30	-0.1946
2011-09-30	-0.1545
2011-12-31	-0.141
2012-03-31	-0.1139
2012-06-30	-0.077
2012-09-30	-0.0391
2012-12-31	-0.043
2013-03-31	-0.0704
2013-06-30	-0.084
2013-09-30	-0.1005
2013-12-31	-0.1098
2014-03-31	-0.114
2014-06-30	-0.1203
2014-09-30	-0.1311
2014-12-31	-0.113
2015-03-31	-0.097
2015-06-30	-0.1008
2015-09-30	-0.0852
2015-12-31	-0.0123
2016-03-31	0.0356
2016-06-30	0.0657
2016-09-30	0.2062
2016-12-31	0.2691
2017-03-31	0.2762
2017-06-30	0.3455
2017-09-30	0.3844
2017-12-31	0.4287
2018-03-31	0.5129
2018-06-30	0.5778
2018-09-30	0.5194
2018-12-31	0.6152
2019-03-31	0.594
2019-06-30	0.5763
2019-09-30	0.4701
2019-12-31	0.3973
2020-03-31	0.2877
2020-06-30	0.0642
2020-09-30	0.062
2020-12-31	0.1004
2021-03-31	0.0541
2021-06-30	0.0257