Quarter	Billions of US Dollars
1982-10-01	0.01277
1983-01-01	0.01253
1983-04-01	0.01252
1983-07-01	0.01271
1983-10-01	0.01292
1984-01-01	0.01335
1984-04-01	0.01263
1984-07-01	0.01222
1984-10-01	0.01195
1985-01-01	0.01188
1985-04-01	0.01205
1985-07-01	0.01382
1985-10-01	0.01496
1986-01-01	0.01670
1986-04-01	0.01818
1986-07-01	0.01953
1986-10-01	0.01886
1987-01-01	0.02058
1987-04-01	0.02041
1987-07-01	0.02050
1987-10-01	0.02429
1988-01-01	0.02392
1988-04-01	0.02266
1988-07-01	0.02230
1988-10-01	0.02384
1989-01-01	0.02272
1989-04-01	0.02082
1989-07-01	0.02154
1989-10-01	0.02091
1990-01-01	0.01908
1990-04-01	0.01962
1990-07-01	0.02177
1990-10-01	0.02232
1991-01-01	0.02128
1991-04-01	0.02175
1991-07-01	0.02258
1991-10-01	0.02396
1992-01-01	0.02252
1992-04-01	0.02390
1992-07-01	0.02517
1997-04-01	0.05000
1997-07-01	0.05000
1997-10-01	0.05000
1998-01-01	0.05000
1998-04-01	0.05000
1998-07-01	0.05000
1998-10-01	0.11500
1999-01-01	0.11500
1999-04-01	0.11500
1999-07-01	0.11500
1999-10-01	0.11500
2000-01-01	0.11500
2000-04-01	0.06500
2000-07-01	0.06500
2000-10-01	0.06500
2001-01-01	0.06500
2001-04-01	0.06500
2001-07-01	0.06500
2001-10-01	0.06500
2002-01-01	0.06500
2002-04-01	0.06500
2002-07-01	0.41500
2002-10-01	0.41500
2003-01-01	0.41500
2003-04-01	0.41500
2003-07-01	0.41500
2003-10-01	0.41500
2004-01-01	0.41500
2004-04-01	0.41500
2004-07-01	0.41500
2004-10-01	0.51500
2005-01-01	0.51500
2005-04-01	0.51500
2005-07-01	0.51500
2005-10-01	0.51500
2006-01-01	0.51500
2006-04-01	0.51500
2006-07-01	0.51500
2006-10-01	0.51500
2007-01-01	0.51500
2007-04-01	0.51500
2007-07-01	0.51500
2007-10-01	1.01500
2008-01-01	1.01500
2008-04-01	1.01500
2008-07-01	1.01500
2008-10-01	0.95000
2009-01-01	0.95000
2009-04-01	0.95000
2009-07-01	0.95000
2009-10-01	1.35000
2010-01-01	1.35000
2010-04-01	1.35000
2010-07-01	1.35000
2010-10-01	2.35000
2011-01-01	2.35000
2011-04-01	2.35000
2011-07-01	3.35000
2011-10-01	3.35000
2012-01-01	3.35000
2012-04-01	3.85000
2012-07-01	4.85000
2012-10-01	4.35000
2013-01-01	4.35000
2013-04-01	4.85000
2013-07-01	5.60000
2013-10-01	5.70000
2014-01-01	6.70000
2014-04-01	7.37500
2014-07-01	7.62500
2014-10-01	7.62500
2015-01-01	7.12500
2015-04-01	7.77500