Quarter	Billions of US Dollars
2002-07-01	0.23000
2004-01-01	0.80000
2005-01-01	1.07500
2005-04-01	0.90000
2005-07-01	0.50753
2005-10-01	2.35877
2006-01-01	0.83202
2006-04-01	2.45397
2006-07-01	1.47415
2006-10-01	4.33458
2007-01-01	4.40456
2007-04-01	0.45732
2007-07-01	-0.58233
2007-10-01	-0.48007
2008-01-01	3.12543
2008-04-01	0.99305
2008-07-01	0.40708
2008-10-01	-3.62697
2009-01-01	-1.76496
2009-04-01	-0.21413
2009-07-01	1.41889
2009-10-01	-0.73229
2010-01-01	-1.24657
2010-04-01	-1.23708
2010-07-01	-0.26634
2010-10-01	-1.56919
2011-01-01	1.40252
2011-04-01	0.07723
2011-07-01	0.24971
2011-10-01	0.34129
2012-01-01	-0.73461
2012-04-01	0.72674
2012-07-01	1.21336
2012-10-01	3.24704
2013-01-01	1.29945
2013-04-01	4.86170
2013-07-01	0.02101
2013-10-01	1.38482
2014-01-01	0.80227
2014-04-01	3.02139
2014-07-01	1.66610
2014-10-01	2.31757
2015-01-01	2.29549
2015-04-01	4.25229