Quarter	Billions of US Dollars
2006-10-01	0.21874
2007-01-01	0.06697
2007-07-01	0.04570
2007-10-01	0.02222
2008-01-01	0.12308
2008-04-01	0.11901
2008-07-01	0.21518
2009-01-01	0.01998
2009-04-01	0.06470
2009-07-01	0.01321
2009-10-01	-0.30228
2010-07-01	-0.01187
2011-01-01	-0.11432
2011-04-01	-0.04858
2011-10-01	0.02067
2012-01-01	-0.02245
2012-07-01	-0.06719
2012-10-01	-0.05636
2013-04-01	-0.05672
2013-10-01	-0.01739
2014-01-01	-0.01751