Quarter	Percent
1979-03-31	9.8236
1979-06-30	9.7716
1979-09-30	9.9927
1979-12-31	12.3156
1980-03-31	13.9509
1980-06-30	10.0166
1980-09-30	9.3977
1980-12-31	14.1509
1981-03-31	15.159
1981-06-30	15.6589
1981-09-30	15.9664
1981-12-31	13.1761
1982-03-31	14.0506
1982-06-30	13.6
1982-09-30	10.1678
1982-12-31	8.4463
1983-03-31	8.6773
1983-06-30	9.022
1983-09-30	9.824
1983-12-31	9.4422
1984-03-31	9.7139
1984-06-30	10.1679
1984-09-30	10.7117
1984-12-31	9.2105
1985-03-31	8.4427
1985-06-30	7.7174
1985-09-30	7.3191
1985-12-31	7.3977
1986-03-31	7.152
1986-06-30	6.3279
1986-09-30	5.6869
1986-12-31	5.4805
1987-03-31	5.6878
1987-06-30	5.788
1987-09-30	6.1866
1987-12-31	6.0458
1988-03-31	5.8788
1988-06-30	6.3987
1988-09-30	7.2142
1988-12-31	7.9502
1989-03-31	8.8019
1989-06-30	8.699
1989-09-30	8.0983
1989-12-31	7.8895
1990-03-31	7.985
1990-06-30	7.9651
1990-09-30	7.7202
1990-12-31	7.2188
1991-03-31	6.1498
1991-06-30	5.5561
1991-09-30	5.38
1991-12-31	4.5775
1992-03-31	3.8883
1992-06-30	3.6844
1992-09-30	3.0946
1992-12-31	3.0511
1993-03-31	2.9452
1993-06-30	2.9711
1993-09-30	2.9988
1993-12-31	3.0547
1994-03-31	3.25
1994-06-30	4.0046
1994-09-30	4.4838
1994-12-31	5.2678
1995-03-31	5.8219
1995-06-30	5.7576
1995-09-30	5.5033
1995-12-31	5.4146
1996-03-31	5.0555
1996-06-30	5.1369
1996-09-30	5.2146
1996-12-31	5.085
1997-03-31	5.167
1997-06-30	5.1565
1997-09-30	5.1627
1997-12-31	5.1951
1998-03-31	5.1706
1998-06-30	5.0856
1998-09-30	4.9452
1998-12-31	4.3306
1999-03-31	4.5076
1999-06-30	4.5615
1999-09-30	4.7652
1999-12-31	5.0871
2000-03-31	5.6809
2000-06-30	5.8682
2000-09-30	6.0581
2000-12-31	6.0295
2001-03-31	4.8161
2001-06-30	3.6489
2001-09-30	3.2161
2001-12-31	1.9194
2002-03-31	1.6953
2002-06-30	1.7148
2002-09-30	1.6446
2002-12-31	1.3459
2003-03-31	1.1363
2003-06-30	1.0369
2003-09-30	0.9269
2003-12-31	0.9175
2004-03-31	0.9156
2004-06-30	1.0859
2004-09-30	1.4855
2004-12-31	2.0036
2005-03-31	2.5395
2005-06-30	2.8633
2005-09-30	3.3574
2005-12-31	3.8206
2006-03-31	4.3984
2006-06-30	4.7103
2006-09-30	4.9069
2006-12-31	4.9037
2007-03-31	4.9792
2007-06-30	4.7316
2007-09-30	4.3119
2007-12-31	3.4041
2008-03-31	2.0852
2008-06-30	1.6249
2008-09-30	1.5009
2008-12-31	0.3061
2009-03-31	0.2095
2009-06-30	0.1703
2009-09-30	0.16
2009-12-31	0.0589
2010-03-31	0.1089
2010-06-30	0.1474
2010-09-30	0.1551
2010-12-31	0.14
2011-03-31	0.1263
2011-06-30	0.0448
2011-09-30	0.0249
2011-12-31	0.0148
2012-03-31	0.071
2012-06-30	0.0885
2012-09-30	0.1009
2012-12-31	0.0909
2013-03-31	0.0865
2013-06-30	0.0513
2013-09-30	0.032
2013-12-31	0.06
2014-03-31	0.0494
2014-06-30	0.0328
2014-09-30	0.0263
2014-12-31	0.0217
2015-03-31	0.024
2015-06-30	0.018
2015-09-30	0.0406
2015-12-31	0.1219
2016-03-31	0.2871
2016-06-30	0.2581
2016-09-30	0.2951
2016-12-31	0.426
2017-03-31	0.5958
2017-06-30	0.8969
2017-09-30	1.0364
2017-12-31	1.18
2018-03-31	1.5571
2018-06-30	1.8424
2018-09-30	2.0345
2018-12-31	2.2735
2019-03-31	2.3884
2019-06-30	2.3028
2019-09-30	1.9849
2019-12-31	1.5794
2020-03-31	1.0739
2020-06-30	0.1384
2020-09-30	0.1134
2020-12-31	0.0928
2021-03-31	0.0516
2021-06-30	0.0249
2021-09-30	0.0498
2021-12-31	0.0552
2022-03-31	0.313
2022-06-30	1.0987
2022-09-30	2.6439
2022-12-31	4.0302
2023-03-31	4.6322
2023-06-30	5.0822
2023-09-30	5.2884
2023-12-31	5.2852