Quarter	Percent
1960-01-01	6.75
1960-04-01	6.75
1960-07-01	6.75
1960-10-01	6.75
1961-01-01	6.75
1961-04-01	6.75
1961-07-01	6.75
1961-10-01	6.75
1962-01-01	8.00
1962-04-01	7.00
1962-07-01	7.00
1962-10-01	7.00
1963-01-01	7.00
1963-04-01	7.00
1963-07-01	7.00
1963-10-01	7.00
1964-01-01	7.00
1964-04-01	7.00
1964-07-01	7.00
1964-10-01	7.00
1965-01-01	7.00
1965-04-01	7.00
1965-07-01	7.00
1965-10-01	7.00
1966-01-01	7.00
1966-04-01	7.00
1966-07-01	7.00
1966-10-01	7.00
1967-01-01	7.00
1967-04-01	7.00
1967-07-01	7.00
1967-10-01	7.00
1968-01-01	7.00
1968-04-01	7.00
1968-07-01	7.00
1968-10-01	7.00
1969-01-01	7.00
1969-04-01	7.00
1969-07-01	7.00
1969-10-01	7.00
1970-01-01	7.00
1970-04-01	7.00
1970-07-01	7.00
1970-10-01	7.00
1971-01-01	7.00
1971-04-01	8.50
1971-07-01	8.50
1971-10-01	8.50
1972-01-01	7.75
1972-04-01	7.75
1972-07-01	7.75
1972-10-01	7.75
1973-01-01	7.75
1973-04-01	7.75
1973-07-01	9.25
1973-10-01	9.25
1974-01-01	9.25
1974-04-01	9.25
1974-07-01	9.25
1974-10-01	9.25
1975-01-01	9.25
1975-04-01	9.25
1975-07-01	9.25
1975-10-01	9.25
1976-01-01	9.25
1976-04-01	9.25
1976-07-01	9.25
1976-10-01	9.25
1977-01-01	9.25
1977-04-01	9.25
1977-07-01	9.25
1977-10-01	8.25
1978-01-01	8.25
1978-04-01	7.25
1978-07-01	7.25
1978-10-01	7.25
1979-01-01	7.25
1979-04-01	7.25
1979-07-01	7.25
1979-10-01	8.50
1980-01-01	9.25
1980-04-01	9.25
1980-07-01	9.25
1980-10-01	9.25
1981-01-01	9.25
1981-04-01	9.25
1981-07-01	9.25
1981-10-01	9.25
1982-01-01	9.25
1982-04-01	8.50
1982-07-01	8.50
1982-10-01	8.50
1983-01-01	8.50
1983-04-01	8.50
1983-07-01	9.50
1983-10-01	9.50
1984-01-01	9.50
1984-04-01	9.50
1984-07-01	9.50
1984-10-01	9.50
1985-01-01	9.00
1985-04-01	9.00
1985-07-01	9.00
1985-10-01	9.00
1986-01-01	8.00
1986-04-01	7.00
1986-07-01	7.00
1986-10-01	7.00
1987-01-01	7.00
1987-04-01	7.00
1987-07-01	7.00
1987-10-01	7.00
1988-01-01	7.00
1988-04-01	8.00
1988-07-01	8.00
1988-10-01	8.00
1989-01-01	7.50
1989-04-01	7.50
1989-07-01	7.50
1989-10-01	8.50
1990-01-01	8.50
1990-04-01	8.50
1990-07-01	8.50
1990-10-01	8.50
1991-01-01	8.50
1991-04-01	8.50
1991-07-01	8.50
1991-10-01	8.50
1992-01-01	8.50
1992-04-01	9.50
1992-07-01	9.50
1992-10-01	9.50
1993-01-01	7.50
1993-04-01	7.00
1993-07-01	6.00
1993-10-01	5.50
1994-01-01	5.25
1994-04-01	5.25
1994-07-01	5.25
1994-10-01	5.25
1995-01-01	5.25
1995-04-01	5.25
1995-07-01	5.25
1995-10-01	4.75
1996-01-01	4.50
1996-04-01	4.50
1996-07-01	4.00
1996-10-01	4.00
1997-01-01	4.00
1997-04-01	4.00
1997-07-01	4.00
1997-10-01	4.00
1998-01-01	4.00
1998-04-01	4.00
1998-07-01	4.00
1998-10-01	3.50
1999-01-01	3.50
1999-04-01	3.50
1999-07-01	2.75
1999-10-01	2.75
2000-01-01	3.50
2000-04-01	3.50
2000-07-01	4.50
2000-10-01	4.50
2001-01-01	5.25
2001-04-01	5.25
2001-07-01	4.50
2001-10-01	4.50
2002-01-01	3.50
2002-04-01	3.50
2002-07-01	4.00
2002-10-01	4.00
2003-01-01	3.25
2003-04-01	3.25
2003-07-01	2.50
2003-10-01	2.50
2004-01-01	2.25
2004-04-01	2.25
2004-07-01	2.25
2004-10-01	2.25
2005-01-01	2.25
2005-04-01	2.25
2005-07-01	2.25
2005-10-01	2.25
2006-01-01	2.50
2006-04-01	2.50
2006-07-01	3.25
2006-10-01	3.25
2007-01-01	3.75
2007-04-01	3.75
2007-07-01	4.25
2007-10-01	4.25
2008-01-01	4.75
2008-04-01	4.75
2008-07-01	4.75
2008-10-01	4.75
2009-01-01	5.00
2009-04-01	5.00
2009-07-01	1.75
2009-10-01	1.75
2010-01-01	1.25
2010-04-01	1.25
2010-07-01	1.25
2010-10-01	1.25
2011-01-01	1.50
2011-04-01	1.50
2011-07-01	2.00
2011-10-01	2.00
2012-01-01	2.00
2012-04-01	1.50
2012-07-01	1.50
2012-10-01	1.50
2013-01-01	0.75
2013-04-01	0.75
2013-07-01	0.50
2013-10-01	0.50
2014-01-01	0.50
2014-04-01	0.50
2014-07-01	0.50
2014-10-01	0.50
2015-01-01	0.25
2015-04-01	0.25
2015-07-01	0.25
2015-10-01	0.25
2016-01-01	0.00
2016-04-01	0.00
2016-07-01	0.00
2016-10-01	0.00
2017-01-01	0.00
2017-04-01	0.00
2017-07-01	0.00
2017-10-01	0.00
2018-01-01	-0.25
2018-04-01	-0.25
2018-07-01	-0.25