Quarter	Billions of US Dollars
1993-10-01	0.02330
1994-04-01	0.15000
1995-07-01	0.04500
1996-07-01	0.20000
1996-10-01	0.26000
1997-01-01	0.22000
1997-04-01	0.23000
1997-07-01	0.04000
1997-10-01	-0.06000
1998-07-01	-0.04500
1998-10-01	-0.02574
1999-04-01	-0.15000
1999-10-01	0.60000
2000-01-01	-0.06000
2000-10-01	0.69000
2001-01-01	-0.09000
2002-01-01	-0.11000
2002-04-01	0.04000
2003-07-01	0.22880
2003-10-01	-0.18500
2004-04-01	-0.20000
2004-07-01	-0.04000
2004-10-01	-0.32500
2005-07-01	-0.01500
2005-10-01	-0.25000
2006-04-01	0.00990
2006-07-01	-0.05974
2006-10-01	0.05000
2007-01-01	1.42117
2007-04-01	2.02465
2007-07-01	0.30765
2007-10-01	0.33788
2008-01-01	0.68039
2008-04-01	0.15689
2008-07-01	0.67265
2008-10-01	1.50050
2009-01-01	-1.49876
2009-04-01	0.54437
2009-07-01	-0.01798
2009-10-01	0.20542
2010-01-01	-0.20008
2010-04-01	0.29453
2010-07-01	0.39208
2010-10-01	0.00759
2011-01-01	1.33617
2011-04-01	3.25251
2011-07-01	0.60305
2011-10-01	1.25152
2012-01-01	0.11378
2012-04-01	1.18114
2012-07-01	0.11340
2012-10-01	2.67341
2013-01-01	3.94194
2013-04-01	4.32174
2013-07-01	0.48242
2013-10-01	3.04130
2014-01-01	1.29086
2014-04-01	3.09979
2014-07-01	4.65642
2014-10-01	1.48507
2015-01-01	0.75962
2015-04-01	3.00203