Quarter	Billions of US Dollars
1973-04-01	0.04300
1973-07-01	0.04300
1973-10-01	0.04300
1974-01-01	0.04300
1974-04-01	0.04300
1974-07-01	0.04300
1974-10-01	0.04300
1975-01-01	0.04300
1975-04-01	0.04300
1975-07-01	0.04300
1975-10-01	0.04300
1976-01-01	0.04300
1976-04-01	0.04300
1976-07-01	0.04300
1976-10-01	0.04300
1977-01-01	0.04300
1977-04-01	0.04300
1977-07-01	0.04300
1977-10-01	0.04300
1978-01-01	0.04300
1978-04-01	0.06800
1978-07-01	0.06800
1978-10-01	0.06800
1979-01-01	0.06800
1979-04-01	0.06800
1979-07-01	0.06800
1979-10-01	0.06800
1980-01-01	0.06800
1980-04-01	0.09800
1980-07-01	0.09800
1980-10-01	0.09800
1981-01-01	0.09800
1981-04-01	0.09800
1981-07-01	0.09800
1981-10-01	0.09800
1982-01-01	0.09800
1982-04-01	0.13800
1982-07-01	0.13800
1982-10-01	0.13800
1983-01-01	0.13800
1983-04-01	0.11300
1983-07-01	0.11300
1983-10-01	0.11300
1984-01-01	0.11300
1984-04-01	0.11300
1984-07-01	0.11300
1984-10-01	0.07000
1985-01-01	0.07000
1985-04-01	0.04000
1985-07-01	0.04000
1985-10-01	0.03200
1986-01-01	0.03200
1986-04-01	0.03200
1986-07-01	0.03200
1986-10-01	0.03200
1987-01-01	0.03200
2001-07-01	1.50000
2001-10-01	1.50000
2002-01-01	1.50000
2002-04-01	1.50000
2002-07-01	1.50000
2002-10-01	1.50000
2003-01-01	1.50000
2003-04-01	1.50000
2003-07-01	1.50000
2003-10-01	1.50000
2004-01-01	1.50000
2004-04-01	1.50000
2004-07-01	1.50000
2004-10-01	1.50000
2005-01-01	1.50000
2005-04-01	1.50000
2005-07-01	2.75000
2005-10-01	2.75000
2006-01-01	2.75000
2006-04-01	2.75000
2006-07-01	2.25000
2006-10-01	2.25000
2007-01-01	3.00000
2007-04-01	3.00000
2007-07-01	4.07573
2007-10-01	4.09016
2008-01-01	4.10245
2008-04-01	4.19468
2008-07-01	4.16633
2008-10-01	4.15550
2009-01-01	4.12988
2009-04-01	4.13866
2009-07-01	4.15853
2009-10-01	4.46156
2010-01-01	4.45820
2010-04-01	5.91958
2010-07-01	5.91909
2010-10-01	5.89795
2011-01-01	5.86821
2011-04-01	5.11787
2011-07-01	4.11846
2011-10-01	4.10702
2012-01-01	4.10536
2012-04-01	4.10202
2012-07-01	3.10921
2012-10-01	3.05000
2013-01-01	3.05000
2013-04-01	5.75000
2013-07-01	6.75000
2013-10-01	6.75000
2014-01-01	6.75000
2014-04-01	6.75000
2014-07-01	6.75000
2014-10-01	3.75000
2015-01-01	3.75000
2015-04-01	5.38660