Quarter	Percent
1979-03-31	-2.3341
1979-06-30	-2.6566
1979-09-30	-4.132
1979-12-31	-2.3616
1980-03-31	-2.5545
1980-06-30	-6.042
1980-09-30	-6.1897
1980-12-31	0.492
1981-03-31	6.0179
1981-06-30	6.878
1981-09-30	5.5269
1981-12-31	-0.3084
1982-03-31	1.6951
1982-06-30	2.7784
1982-09-30	3.2998
1982-12-31	1.1472
1983-03-31	-1.5949
1983-06-30	-0.4843
1983-09-30	0.5708
1983-12-31	0.9059
1984-03-31	1.6541
1984-06-30	3.4885
1984-09-30	1.9155
1984-12-31	0.6658
1985-03-31	-1.7565
1985-06-30	-3.2215
1985-09-30	-3.0438
1985-12-31	-3.692
1986-03-31	-4.9838
1986-06-30	-3.4105
1986-09-30	-4.802
1986-12-31	-6.4353
1987-03-31	-5.4022
1987-06-30	-2.1113
1987-09-30	-3.1989
1987-12-31	-1.7667
1988-03-31	-3.3356
1988-06-30	-1.8182
1988-09-30	-3.8357
1988-12-31	-4.8619
1989-03-31	-3.7198
1989-06-30	-5.074
1989-09-30	-6.7467
1989-12-31	-8.5513
1990-03-31	-9.3502
1990-06-30	-9.2546
1990-09-30	-10.0834
1990-12-31	-8.3202
1991-03-31	-8.669
1991-06-30	-6.6561
1991-09-30	-6.4235
1991-12-31	-8.5026
1992-03-31	-9.1862
1992-06-30	-9.1261
1992-09-30	-11.2089
1992-12-31	-4.5213
1993-03-31	-3.1375
1993-06-30	-3.5003
1993-09-30	-2.986
1993-12-31	-2.3735
1994-03-31	-1.6069
1994-06-30	-0.6554
1994-09-30	-1.1906
1994-12-31	-0.6674
1995-03-31	-0.9079
1995-06-30	-1.6993
1995-09-30	-1.6027
1995-12-31	-1.2839
1996-03-31	-1.3035
1996-06-30	-0.4853
1996-09-30	0.0769
1996-12-31	-1.4157
1997-03-31	-1.204
1997-06-30	-1.1163
1997-09-30	-2.1897
1997-12-31	-2.5762
1998-03-31	-2.6883
1998-06-30	-2.6046
1998-09-30	-2.9083
1998-12-31	-1.996
1999-03-31	-0.3522
1999-06-30	0.2262
1999-09-30	0.2511
1999-12-31	-0.1655
2000-03-31	0.1699
2000-06-30	0.9522
2000-09-30	0.8641
2000-12-31	0.7295
2001-03-31	-0.4279
2001-06-30	-1.3511
2001-09-30	-2.016
2001-12-31	-2.5377
2002-03-31	-2.7783
2002-06-30	-2.9794
2002-09-30	-3.2965
2002-12-31	-3.5636
2003-03-31	-3.5364
2003-06-30	-3.6188
2003-09-30	-3.8302
2003-12-31	-4.8122
2004-03-31	-5.5638
2004-06-30	-5.2149
2004-09-30	-4.9432
2004-12-31	-3.8242
2005-03-31	-2.7997
2005-06-30	-1.8266
2005-09-30	-0.4433
2005-12-31	0.2858
2006-03-31	0.782
2006-06-30	1.0618
2006-09-30	0.7434
2006-12-31	-0.1111
2007-03-31	-0.7564
2007-06-30	-1.2242
2007-09-30	-2.0683
2007-12-31	-2.5294
2008-03-31	-4.5919
2008-06-30	-5.0063
2008-09-30	-4.25
2008-12-31	-0.883
2009-03-31	0.0356
2009-06-30	-0.0621
2009-09-30	-0.1144
2009-12-31	-0.3876
2010-03-31	-0.365
2010-06-30	-0.0399
2010-09-30	-0.3376
2010-12-31	-0.5887
2011-03-31	-1.0229
2011-06-30	-0.9798
2011-09-30	-0.6162
2011-12-31	-0.5621
2012-03-31	-0.5202
2012-06-30	-0.3199
2012-09-30	-0.1309
2012-12-31	-0.1761
2013-03-31	-0.1992
2013-06-30	-0.231
2013-09-30	-0.3285
2013-12-31	-0.4855
2014-03-31	-0.5344
2014-06-30	-0.6931
2014-09-30	-0.7944
2014-12-31	-0.4998
2015-03-31	-0.1957
2015-06-30	-0.2334
2015-09-30	-0.2415
2015-12-31	0.0671
2016-03-31	0.379
2016-06-30	0.4744
2016-09-30	0.9838
2016-12-31	1.054
2017-03-31	1.3359
2017-06-30	1.466
2017-09-30	1.5277
2017-12-31	1.6599
2018-03-31	2.1773
2018-06-30	2.4296
2018-09-30	2.3258
2018-12-31	2.4102
2019-03-31	2.2836
2019-06-30	1.9887
2019-09-30	1.5499
2019-12-31	1.2603
2020-03-31	0.9483
2020-06-30	0.2066
2020-09-30	0.241
2020-12-31	0.2783
2021-03-31	0.2434
2021-06-30	0.1107