Quarter	Percent
1975-03-31	10.2632
1975-06-30	9.9609
1975-09-30	10.7077
1975-12-31	11.7383
1976-03-31	9.8164
1976-06-30	10.5726
1976-09-30	11.8231
1976-12-31	14.7227
1977-03-31	12.2302
1977-06-30	8.3893
1977-09-30	7.2462
1977-12-31	5.8492
1978-03-31	6.5323
1978-06-30	8.5675
1978-09-30	10
1978-12-31	11.3889
1979-03-31	13.0234
1979-06-30	12.4754
1979-09-30	14
1979-12-31	15.4531
1980-03-31	17
1980-06-30	17
1980-09-30	16.0308
1980-12-31	15.2188
1981-03-31	13.5238
1981-06-30	12
1981-09-30	12.5254
1981-12-31	14.6113
1982-03-31	13.7758
1982-06-30	13.002
1982-09-30	11.3538
1982-12-31	9.6758
1983-03-31	10.8145
1983-06-30	10.0051
1983-09-30	9.5606
1983-12-31	9.0625
1984-03-31	8.9414
1984-06-30	8.8545
1984-09-30	10.9023
1984-12-31	9.9844
1985-03-31	12.9226
1985-06-30	12.4734
1985-09-30	11.5827
1985-12-31	11.375
1986-03-31	12.1127
1986-06-30	10.3353
1986-09-30	9.875
1986-12-31	10.7188
1987-03-31	10.6607
1987-06-30	9.2111
1987-09-30	9.475
1987-12-31	9.0391
1988-03-31	8.6328
1988-06-30	7.9652
1988-09-30	10.9058
1988-12-31	12.256
1989-03-31	12.875
1989-06-30	13.2361
1989-09-30	13.7607
1989-12-31	14.8036
1990-03-31	14.875
1990-06-30	14.875
1990-09-30	14.875
1990-12-31	13.9531
1991-03-31	13.3992
1991-06-30	11.7379
1991-09-30	10.7981
1991-12-31	10.375
1992-03-31	10.375
1992-06-30	10.0471
1992-09-30	9.7673
1992-12-31	7.5313
1993-03-31	6.129
1993-06-30	5.875
1993-09-30	5.875
1993-12-31	5.6641
1994-03-31	5.2242
1994-06-30	5.125
1994-09-30	5.2404
1994-12-31	5.752
1995-03-31	6.4531
1995-06-30	6.625
1995-09-30	6.625
1995-12-31	6.5813
1996-03-31	6.125
1996-06-30	5.8678
1996-09-30	5.6875
1996-12-31	5.8555
1997-03-31	5.9375
1997-06-30	6.1984
1997-09-30	6.8692
1997-12-31	7.1484
1998-03-31	7.25
1998-06-30	7.3279
1998-09-30	7.5
1998-12-31	6.8555
1999-03-31	5.6944
1999-06-30	5.2008
1999-09-30	5.0654
1999-12-31	5.4048
2000-03-31	5.8672
2000-06-30	6
2000-09-30	6
2000-12-31	6
2001-03-31	5.8555
2001-06-30	5.3648
2001-09-30	5.0547
2001-12-31	4.2305
2002-03-31	4
2002-06-30	4
2002-09-30	4
2002-12-31	4
2003-03-31	3.8492
2003-06-30	3.75
2003-09-30	3.5269
2003-12-31	3.6484
2004-03-31	3.9063
2004-06-30	4.2213
2004-09-30	4.6538
2004-12-31	4.75
2005-03-31	4.75
2005-06-30	4.75
2005-09-30	4.5923
2005-12-31	4.5
2006-03-31	4.5
2006-06-30	4.5
2006-09-30	4.6602
2006-12-31	4.8889
2007-03-31	5.2227
2007-06-30	5.3975
2007-09-30	5.7383
2007-12-31	5.6875
2008-03-31	5.3548
2008-06-30	5.0278
2008-09-30	5
2008-12-31	3.3672
2009-03-31	1.0714
2009-06-30	0.5
2009-09-30	0.5
2009-12-31	0.5
2010-03-31	0.5
2010-06-30	0.5
2010-09-30	0.5
2010-12-31	0.5
2011-03-31	0.5
2011-06-30	0.5
2011-09-30	0.5
2011-12-31	0.5
2012-03-31	0.5
2012-06-30	0.5
2012-09-30	0.5
2012-12-31	0.5
2013-03-31	0.5
2013-06-30	0.5
2013-09-30	0.5
2013-12-31	0.5
2014-03-31	0.5
2014-06-30	0.5
2014-09-30	0.5
2014-12-31	0.5
2015-03-31	0.5
2015-06-30	0.5
2015-09-30	0.5
2015-12-31	0.5
2016-03-31	0.5
2016-06-30	0.5
2016-09-30	0.3423
2016-12-31	0.25
2017-03-31	0.25
2017-06-30	0.25
2017-09-30	0.25
2017-12-31	0.4087
2018-03-31	0.5
2018-06-30	0.5
2018-09-30	0.6602
2018-12-31	0.75
2019-03-31	0.75
2019-06-30	0.75
2019-09-30	0.75
2019-12-31	0.75
2020-03-31	0.6117
2020-06-30	0.1
2020-09-30	0.1
2020-12-31	0.1
2021-03-31	0.1
2021-06-30	0.1
2021-09-30	0.1
2021-12-31	0.1234
2022-03-31	0.4563
2022-06-30	0.9583
2022-09-30	1.6172
2022-12-31	2.8056
2023-03-31	3.8555
2023-06-30	4.4583
2023-09-30	5.1602
2023-12-31	5.25