Quarter	Billions of US Dollars
2003-10-01	0.70000
2006-10-01	1.15000
2007-07-01	0.30000
2008-01-01	0.13750
2008-04-01	0.16335
2009-04-01	1.50000
2009-10-01	1.60000
2010-07-01	3.50000
2010-10-01	3.49056
2011-07-01	-0.03838
2012-07-01	-0.30000
2012-10-01	1.00000
2013-01-01	2.18473
2013-04-01	0.42386
2013-07-01	0.05000
2013-10-01	1.25000
2014-04-01	-0.92960
2014-07-01	1.24961
2014-10-01	0.00470
2015-01-01	1.23838
2015-04-01	0.03105