Quarter	Billions of US Dollars
1993-10-01	0.09500
1994-01-01	-0.11575
1994-04-01	-0.01500
1994-10-01	0.00500
1995-01-01	-0.06000
1996-01-01	0.56650
1996-04-01	0.27000
1996-07-01	0.44000
1997-01-01	-0.01650
1997-10-01	0.65000
1998-04-01	0.45000
1998-10-01	0.21300
1999-01-01	0.20000
1999-04-01	0.30000
1999-07-01	0.20379
2000-01-01	0.10000
2000-07-01	0.39530
2001-04-01	0.22000
2001-07-01	0.82100
2002-07-01	0.26233
2002-10-01	0.71574
2003-01-01	-0.07185
2003-04-01	-0.07639
2003-07-01	0.00999
2003-10-01	0.20000
2004-01-01	-0.15655
2004-07-01	-0.25311
2004-10-01	0.50000
2005-04-01	0.15000
2005-07-01	0.30529
2006-01-01	-0.45681
2006-04-01	0.20000
2006-07-01	-0.40000
2006-10-01	0.50000
2007-01-01	-0.01649
2007-04-01	0.27000
2007-07-01	-0.00905
2007-10-01	-0.25000
2008-01-01	-0.00905
2008-04-01	-0.02031
2008-07-01	0.39228
2009-01-01	0.59052
2009-04-01	-0.34000
2009-07-01	0.15063
2009-10-01	1.05137
2010-01-01	0.49020
2010-04-01	0.25000
2010-07-01	0.69333
2010-10-01	1.00000
2011-01-01	1.64540
2011-04-01	0.22566
2011-07-01	-0.41150
2011-10-01	1.63062
2012-01-01	0.30000
2012-04-01	0.50314
2012-07-01	1.48197
2012-10-01	0.35910
2013-01-01	0.60000
2013-04-01	1.21366
2013-07-01	1.04995
2013-10-01	2.71090
2014-01-01	0.35000
2014-04-01	0.30000
2014-07-01	4.59624
2014-10-01	1.86330
2015-01-01	1.00000
2015-04-01	2.12765