Quarter	Billions of US Dollars
1995-04-01	-0.01791
1996-07-01	0.04597
2001-07-01	-0.03185
2004-04-01	0.20978
2006-07-01	0.29287
2006-10-01	0.71850
2007-01-01	0.23714
2007-04-01	0.00382
2007-07-01	-0.01870
2007-10-01	0.69817
2008-01-01	-0.01173
2008-04-01	0.03084
2008-07-01	1.01008
2008-10-01	-0.03166
2009-01-01	-0.00471
2009-04-01	0.96226
2009-07-01	0.08516
2009-10-01	1.54430
2010-01-01	0.20903
2010-04-01	1.58954
2010-07-01	0.00024
2010-10-01	0.31726
2011-01-01	0.14034
2011-04-01	1.02976
2011-07-01	0.00066
2011-10-01	-0.06725
2012-01-01	-8.13244
2012-04-01	1.37627
2012-07-01	0.60397
2012-10-01	-0.03822
2013-01-01	0.01449
2013-04-01	2.00117
2013-07-01	0.02549
2013-10-01	-0.62951
2014-01-01	1.11210
2014-04-01	-0.62773
2014-07-01	-0.29973
2014-10-01	0.11046
2015-01-01	0.07928
2015-04-01	-0.51417