Quarter	Billions of US Dollars
1996-10-01	1.20000
1999-04-01	1.00000
2000-04-01	1.40000
2002-01-01	-0.07272
2002-07-01	-0.03636
2003-01-01	-0.03636
2003-10-01	0.70000
2004-01-01	0.59228
2004-07-01	-0.03637
2005-01-01	-0.03635
2005-07-01	2.21364
2006-01-01	-0.03637
2006-04-01	1.15000
2006-07-01	1.51361
2006-10-01	1.49000
2007-07-01	0.30000
2008-01-01	0.13750
2008-04-01	0.16335
2009-04-01	3.50000
2009-07-01	1.48500
2009-10-01	8.60000
2010-01-01	-0.08000
2010-04-01	0.54980
2010-07-01	4.07000
2010-10-01	4.18638
2011-01-01	-0.08000
2011-04-01	-0.65000
2011-07-01	0.09662
2011-10-01	4.50000
2012-01-01	0.42000
2012-04-01	0.50000
2012-07-01	4.18885
2012-10-01	4.22374
2013-01-01	2.20472
2013-04-01	1.57868
2013-07-01	-0.01000
2013-10-01	2.60000
2014-01-01	0.09500
2014-04-01	-2.17960
2014-07-01	0.39761
2014-10-01	-0.01841
2015-01-01	-2.20740
2015-04-01	-0.63075