Quarter	Percent
1975-03-31	10
1975-06-30	10
1975-09-30	11
1975-12-31	11.25
1976-03-31	9
1976-06-30	11.5
1976-09-30	13
1976-12-31	14.25
1977-03-31	9.5
1977-06-30	8
1977-09-30	6
1977-12-31	7
1978-03-31	6.5
1978-06-30	10
1978-09-30	10
1978-12-31	12.5
1979-03-31	13
1979-06-30	14
1979-09-30	14
1979-12-31	17
1980-03-31	17
1980-06-30	17
1980-09-30	16
1980-12-31	14
1981-03-31	12
1981-06-30	12
1981-09-30	14
1981-12-31	14.375
1982-03-31	13.25
1982-06-30	12.625
1982-09-30	10.125
1982-12-31	10
1983-03-31	10.5625
1983-06-30	9.5625
1983-09-30	9.5625
1983-12-31	9.0625
1984-03-31	8.5625
1984-06-30	8.875
1984-09-30	10.5
1984-12-31	9.5
1985-03-31	12.875
1985-06-30	12.375
1985-09-30	11.375
1985-12-31	11.375
1986-03-31	11.375
1986-06-30	9.875
1986-09-30	9.875
1986-12-31	10.875
1987-03-31	9.875
1987-06-30	8.875
1987-09-30	9.875
1987-12-31	8.375
1988-03-31	8.375
1988-06-30	8.875
1988-09-30	11.875
1988-12-31	12.875
1989-03-31	12.875
1989-06-30	13.75
1989-09-30	13.75
1989-12-31	14.875
1990-03-31	14.875
1990-06-30	14.875
1990-09-30	14.875
1990-12-31	13.875
1991-03-31	12.375
1991-06-30	11.375
1991-09-30	10.375
1991-12-31	10.375
1992-03-31	10.375
1992-06-30	9.875
1992-09-30	8.875
1992-12-31	6.875
1993-03-31	5.875
1993-06-30	5.875
1993-09-30	5.875
1993-12-31	5.375
1994-03-31	5.125
1994-06-30	5.125
1994-09-30	5.625
1994-12-31	6.125
1995-03-31	6.625
1995-06-30	6.625
1995-09-30	6.625
1995-12-31	6.375
1996-03-31	5.9375
1996-06-30	5.6875
1996-09-30	5.6875
1996-12-31	5.9375
1997-03-31	5.9375
1997-06-30	6.5
1997-09-30	7
1997-12-31	7.25
1998-03-31	7.25
1998-06-30	7.5
1998-09-30	7.5
1998-12-31	6.25
1999-03-31	5.5
1999-06-30	5
1999-09-30	5.25
1999-12-31	5.5
2000-03-31	6
2000-06-30	6
2000-09-30	6
2000-12-31	6
2001-03-31	5.75
2001-06-30	5.25
2001-09-30	4.75
2001-12-31	4
2002-03-31	4
2002-06-30	4
2002-09-30	4
2002-12-31	4
2003-03-31	3.75
2003-06-30	3.75
2003-09-30	3.5
2003-12-31	3.75
2004-03-31	4
2004-06-30	4.5
2004-09-30	4.75
2004-12-31	4.75
2005-03-31	4.75
2005-06-30	4.75
2005-09-30	4.5
2005-12-31	4.5
2006-03-31	4.5
2006-06-30	4.5
2006-09-30	4.75
2006-12-31	5
2007-03-31	5.25
2007-06-30	5.5
2007-09-30	5.75
2007-12-31	5.5
2008-03-31	5.25
2008-06-30	5
2008-09-30	5
2008-12-31	2
2009-03-31	0.5
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	0.25
2016-12-31	0.25
2017-03-31	0.25
2017-06-30	0.25
2017-09-30	0.25
2017-12-31	0.5
2018-03-31	0.5
2018-06-30	0.5
2018-09-30	0.75
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	0.1
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	0.25
2022-03-31	0.75
2022-06-30	1.25
2022-09-30	2.25
2022-12-31	3.5
2023-03-31	4.25
2023-06-30	5
2023-09-30	5.25
2023-12-31	5.25