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	0.15800
1984-01-01	0.15800
1984-04-01	0.15800
1984-07-01	0.15800
1984-10-01	0.11500
1985-01-01	0.11500
1985-04-01	0.14500
1985-07-01	0.14500
1985-10-01	0.12600
1986-01-01	0.12600
1986-04-01	0.12600
1986-07-01	0.12600
1986-10-01	0.11000
1987-01-01	0.11000
1987-04-01	0.07800
1987-07-01	0.07800
1987-10-01	0.07800
1988-01-01	0.06000
1988-04-01	0.06000
1988-07-01	0.06000
1988-10-01	0.06000
1989-01-01	0.06000
1999-10-01	0.10000
2000-01-01	0.10000
2000-04-01	0.10000
2000-07-01	0.10000
2000-10-01	0.10000
2001-01-01	0.10000
2001-04-01	0.10000
2001-07-01	1.60000
2001-10-01	1.60000
2002-01-01	1.60000
2002-04-01	1.60000
2002-07-01	1.60000
2002-10-01	1.60000
2003-01-01	1.60000
2003-04-01	1.60000
2003-07-01	1.60000
2003-10-01	1.60000
2004-01-01	1.60000
2004-04-01	1.60000
2004-07-01	1.60000
2004-10-01	1.50000
2005-01-01	1.50000
2005-04-01	1.50000
2005-07-01	4.30362
2005-10-01	4.30362
2006-01-01	4.68162
2006-04-01	4.68162
2006-07-01	4.18162
2006-10-01	4.58162
2007-01-01	5.33162
2007-04-01	5.33162
2007-07-01	6.40735
2007-10-01	6.42178
2008-01-01	6.43407
2008-04-01	6.52630
2008-07-01	6.49795
2008-10-01	6.48712
2009-01-01	6.46150
2009-04-01	6.60798
2009-07-01	6.62785
2009-10-01	6.63088
2010-01-01	6.74975
2010-04-01	7.59427
2010-07-01	8.20577
2010-10-01	8.23172
2011-01-01	8.24566
2011-04-01	6.10396
2011-07-01	5.11647
2011-10-01	5.10404
2012-01-01	5.11727
2012-04-01	4.99130
2012-07-01	3.98586
2012-10-01	4.42846
2013-01-01	4.43857
2013-04-01	7.17490
2013-07-01	8.21578
2013-10-01	7.83253
2014-01-01	7.77042
2014-04-01	7.75384
2014-07-01	7.75033
2014-10-01	5.02768
2015-01-01	5.00178
2015-04-01	6.63464