Quarter	Percent
1979-03-31	-0.3923
1979-06-30	-0.3543
1979-09-30	-0.5292
1979-12-31	-0.2086
1980-03-31	-0.4191
1980-06-30	-1.0007
1980-09-30	-1.328
1980-12-31	0.1569
1981-03-31	0.6749
1981-06-30	1.0216
1981-09-30	0.733
1981-12-31	-0.2367
1982-03-31	0.0871
1982-06-30	0.2985
1982-09-30	0.0811
1982-12-31	-0.0328
1983-03-31	-0.2632
1983-06-30	-0.111
1983-09-30	0.0403
1983-12-31	0.0721
1984-03-31	0.1033
1984-06-30	0.268
1984-09-30	0.0613
1984-12-31	-0.0452
1985-03-31	-0.4135
1985-06-30	-0.4911
1985-09-30	-0.4562
1985-12-31	-0.4203
1986-03-31	-0.5357
1986-06-30	-0.4343
1986-09-30	-0.4623
1986-12-31	-0.565
1987-03-31	-0.559
1987-06-30	-0.3046
1987-09-30	-0.3352
1987-12-31	-0.2227
1988-03-31	-0.2789
1988-06-30	-0.1133
1988-09-30	-0.3931
1988-12-31	-0.5151
1989-03-31	-0.4718
1989-06-30	-0.4507
1989-09-30	-0.6614
1989-12-31	-0.8529
1990-03-31	-0.9163
1990-06-30	-0.9333
1990-09-30	-1.07
1990-12-31	-0.9914
1991-03-31	-1.0569
1991-06-30	-0.8326
1991-09-30	-0.7388
1991-12-31	-0.8269
1992-03-31	-0.9533
1992-06-30	-0.9551
1992-09-30	-1.1332
1992-12-31	-0.6184
1993-03-31	-0.4129
1993-06-30	-0.3636
1993-09-30	-0.3659
1993-12-31	-0.3236
1994-03-31	-0.2388
1994-06-30	-0.1133
1994-09-30	-0.0608
1994-12-31	-0.0419
1995-03-31	-0.04
1995-06-30	-0.0434
1995-09-30	-0.1078
1995-12-31	-0.1121
1996-03-31	-0.1081
1996-06-30	-0.0687
1996-09-30	-0.0448
1996-12-31	-0.0852
1997-03-31	-0.0923
1997-06-30	-0.0933
1997-09-30	-0.1915
1997-12-31	-0.2275
1998-03-31	-0.2498
1998-06-30	-0.255
1998-09-30	-0.2722
1998-12-31	-0.2291
1999-03-31	-0.1093
1999-06-30	-0.0378
1999-09-30	0.0296
1999-12-31	0.0461
2000-03-31	0
2000-06-30	0.0603
2000-09-30	0.0805
2000-12-31	0.0868
2001-03-31	-0.0067
2001-06-30	-0.1148
2001-09-30	-0.1718
2001-12-31	-0.2417
2002-03-31	-0.2537
2002-06-30	-0.2629
2002-09-30	-0.2777
2002-12-31	-0.3191
2003-03-31	-0.3292
2003-06-30	-0.3294
2003-09-30	-0.3311
2003-12-31	-0.3874
2004-03-31	-0.4586
2004-06-30	-0.4943
2004-09-30	-0.4905
2004-12-31	-0.4229
2005-03-31	-0.3386
2005-06-30	-0.2642
2005-09-30	-0.1485
2005-12-31	-0.0564
2006-03-31	0.0176
2006-06-30	0.0853
2006-09-30	0.098
2006-12-31	0.0469
2007-03-31	-0.002
2007-06-30	-0.0368
2007-09-30	-0.112
2007-12-31	-0.1881
2008-03-31	-0.3643
2008-06-30	-0.4464
2008-09-30	-0.3834
2008-12-31	-0.1266
2009-03-31	-0.0475
2009-06-30	-0.0093
2009-09-30	-0.0125
2009-12-31	-0.0319
2010-03-31	-0.0328
2010-06-30	-0.0088
2010-09-30	-0.0259
2010-12-31	-0.0355
2011-03-31	-0.0416
2011-06-30	-0.0617
2011-09-30	-0.0532
2011-12-31	-0.0475
2012-03-31	-0.0362
2012-06-30	-0.0263
2012-09-30	-0.0163
2012-12-31	-0.0145
2013-03-31	-0.0251
2013-06-30	-0.0323
2013-09-30	-0.0357
2013-12-31	-0.0354
2014-03-31	-0.0376
2014-06-30	-0.0396
2014-09-30	-0.043
2014-12-31	-0.0359
2015-03-31	-0.0324
2015-06-30	-0.0346
2015-09-30	-0.0302
2015-12-31	-0.008
2016-03-31	0.0088
2016-06-30	0.0228
2016-09-30	0.07
2016-12-31	0.0928
2017-03-31	0.0859
2017-06-30	0.1163
2017-09-30	0.1348
2017-12-31	0.1588
2018-03-31	0.1738
2018-06-30	0.1902
2018-09-30	0.1684
2018-12-31	0.1966
2019-03-31	0.2006
2019-06-30	0.2032
2019-09-30	0.1755
2019-12-31	0.1417
2020-03-31	0.1101
2020-06-30	0.0227
2020-09-30	0.0233
2020-12-31	0.043
2021-03-31	0.0207
2021-06-30	0.0089