Quarter	Billions of US Dollars
1972-10-01	0.01000
1973-01-01	0.02400
1973-04-01	0.02400
1973-07-01	0.02400
1973-10-01	0.02400
1974-01-01	0.02400
1974-04-01	0.02400
1974-07-01	0.02400
1974-10-01	0.02400
1975-01-01	0.02400
1975-04-01	0.02400
1975-07-01	0.02400
1975-10-01	0.02400
1976-01-01	0.02400
1976-04-01	0.02400
1976-07-01	0.02400
1976-10-01	0.02400
1977-01-01	0.02400
1977-04-01	0.02400
1977-07-01	0.02400
1977-10-01	0.02400
1978-01-01	0.02400
1978-04-01	0.02400
1978-07-01	0.02400
1978-10-01	0.02400
1979-01-01	0.02400
1979-04-01	0.02400
1979-07-01	0.02400
1979-10-01	0.01400
1980-01-01	0.01400
1980-04-01	0.01400
1980-07-01	0.01400
1980-10-01	0.01400
1981-01-01	0.01400
1981-04-01	0.01400
1981-07-01	0.01400
1981-10-01	0.01400
1982-01-01	0.01400
1982-04-01	0.01400
1982-07-01	0.01400
1982-10-01	0.01400
1983-01-01	0.01400
1983-04-01	0.01400
1983-07-01	0.01400
1983-10-01	0.01400
1984-01-01	0.01400
1984-04-01	0.01400
1984-07-01	0.01400
1984-10-01	0.01400
1985-01-01	0.01400
1985-04-01	0.01400
1985-07-01	0.01400
1985-10-01	0.01400
1986-01-01	0.01400
1986-04-01	0.01400
1986-07-01	0.01400
1986-10-01	0.01400
1987-01-01	0.01400
1987-04-01	0.01400
1987-07-01	0.01400
1987-10-01	0.01400
1996-10-01	0.07500
1997-01-01	0.07500
1997-04-01	0.07500
1997-07-01	0.27500
1997-10-01	0.27012
1998-01-01	0.27012
1998-04-01	0.52012
1998-07-01	0.52012
1998-10-01	0.52012
1999-01-01	0.52012
1999-04-01	0.52012
1999-07-01	0.52012
1999-10-01	0.45000
2000-01-01	0.64106
2000-04-01	0.64112
2000-07-01	0.85030
2000-10-01	0.86110
2001-01-01	1.00620
2001-04-01	1.39300
2001-07-01	1.41741
2001-10-01	1.65549
2002-01-01	1.65215
2002-04-01	1.99906
2002-07-01	1.79475
2002-10-01	1.81826
2003-01-01	1.61566
2003-04-01	1.62497
2003-07-01	1.62891
2003-10-01	1.64602
2004-01-01	1.88340
2004-04-01	2.00581
2004-07-01	2.04636
2004-10-01	2.29916
2005-01-01	2.26302
2005-04-01	2.26506
2005-07-01	2.76231
2005-10-01	2.99884
2006-01-01	3.36572
2006-04-01	3.39922
2006-07-01	3.54630
2006-10-01	3.77435
2007-01-01	4.13249
2007-04-01	4.26778
2007-07-01	4.07985
2007-10-01	4.25965
2008-01-01	4.31966
2008-04-01	4.66702
2008-07-01	4.58667
2008-10-01	4.56543
2009-01-01	4.25149
2009-04-01	4.28040
2009-07-01	4.28394
2009-10-01	4.27564
2010-01-01	4.22890
2010-04-01	4.18662
2010-07-01	4.22054
2010-10-01	4.21053
2011-01-01	4.62582
2011-04-01	4.23442
2011-07-01	4.18690
2011-10-01	4.74123
2012-01-01	5.00582
2012-04-01	4.97901
2012-07-01	4.26802
2012-10-01	4.27198
2013-01-01	5.46615
2013-04-01	5.47027
2013-07-01	5.44808
2013-10-01	5.45237
2014-01-01	5.43804
2014-04-01	5.43609
2014-07-01	6.20568
2014-10-01	6.01693
2015-01-01	6.94193
2015-04-01	6.64193