Quarter	Billions of US Dollars
1993-07-01	0.07100
1993-10-01	0.06800
1994-01-01	0.05800
1994-04-01	0.05900
1994-07-01	0.04700
1994-10-01	0.05200
1995-01-01	0.05600
1995-04-01	0.01900
1995-07-01	0.02350
1995-10-01	0.02200
1996-01-01	0.01500
1996-10-01	0.11312
1997-01-01	0.15100
1997-04-01	0.13448
1997-07-01	0.22200
1997-10-01	0.20300
1998-01-01	0.20700
1998-04-01	0.20700
1999-04-01	0.03000
1999-07-01	0.15238
1999-10-01	0.16587
2000-01-01	0.27334
2000-04-01	0.27602
2000-07-01	0.14648
2000-10-01	0.16568
2001-01-01	0.06887
2001-04-01	0.29285
2001-07-01	0.26500
2001-10-01	0.22500
2002-01-01	0.22500
2002-04-01	0.60000
2002-07-01	1.13291
2002-10-01	1.16200
2003-01-01	1.15927
2003-04-01	0.56526
2003-07-01	0.02500
2003-10-01	0.09906
2004-01-01	0.14288
2004-04-01	0.15156
2004-07-01	0.15430
2004-10-01	0.15810
2005-01-01	0.28690
2005-04-01	0.27500
2005-07-01	0.27500
2005-10-01	0.15000
2007-04-01	0.40500
2007-07-01	0.40500
2007-10-01	0.64125
2008-01-01	0.81461
2008-04-01	0.40961
2008-07-01	0.40961
2008-10-01	0.17336
2009-01-01	0.18110
2009-04-01	0.18110
2009-07-01	0.18110
2009-10-01	0.18110
2010-07-01	0.50000
2010-10-01	0.50000
2011-01-01	0.50000
2011-04-01	0.67250
2011-07-01	0.17250
2011-10-01	0.34750
2012-01-01	0.34750
2012-04-01	0.17500
2012-07-01	0.17500
2012-10-01	0.05408
2013-01-01	0.05249
2013-04-01	0.95361
2013-07-01	0.95536
2013-10-01	1.33000
2014-01-01	1.33000
2014-04-01	0.43000
2014-07-01	0.43000
2015-01-01	0.12500
2015-04-01	0.49800
