Quarter	Billions of US Dollars
1995-07-01	0.30000
1996-04-01	0.10000
1997-04-01	0.14786
1997-07-01	0.10000
1997-10-01	0.40000
1998-04-01	1.00000
1998-07-01	0.35000
1998-10-01	0.10000
1999-01-01	0.53644
1999-04-01	0.00027
1999-10-01	0.66282
2000-04-01	0.50000
2000-07-01	0.27200
2000-10-01	0.83446
2001-01-01	-0.03070
2001-04-01	1.05000
2001-07-01	1.10009
2001-10-01	0.25000
2002-01-01	1.00000
2002-04-01	0.73261
2002-07-01	0.75000
2002-10-01	3.32000
2003-01-01	0.70000
2003-04-01	0.35953
2003-07-01	-0.47643
2003-10-01	-0.00749
2004-01-01	-0.88770
2004-04-01	1.28492
2004-07-01	1.31522
2004-10-01	2.13200
2005-01-01	-1.11796
2005-04-01	0.22055
2005-07-01	-0.23922
2005-10-01	0.75000
2006-01-01	0.89034
2006-04-01	2.93830
2006-07-01	-0.09340
2006-10-01	-0.24179
2007-01-01	-0.25000
2007-04-01	0.00310
2007-07-01	0.33800
2007-10-01	-0.16866
2008-01-01	0.00600
2008-04-01	0.38160
2008-07-01	-0.25000
2009-01-01	2.10000
2009-04-01	-0.30605
2009-07-01	-0.35160
2009-10-01	-2.01384
2010-01-01	0.13500
2010-10-01	1.02002
2011-01-01	0.53000
2011-07-01	1.15000
2011-10-01	2.94735
2012-01-01	-0.60000
2012-04-01	3.25962
2012-07-01	-0.80000
2012-10-01	3.86470
2013-01-01	-0.87500
2013-04-01	2.50000
2013-07-01	0.17500
2014-04-01	0.49841
2015-01-01	1.95000
2015-04-01	-0.50000