Quarter	Billions of US Dollars
2000-04-01	0.10580
2000-10-01	0.14264
2001-01-01	0.14190
2002-04-01	0.00005
2003-04-01	0.00207
2005-07-01	0.06564
2006-01-01	0.00774
2006-04-01	0.12373
2006-07-01	0.01013
2006-10-01	0.03777
2007-04-01	0.09574
2007-07-01	0.06246
2007-10-01	0.03653
2008-01-01	0.05390
2008-04-01	0.05000
2008-07-01	0.12711
2009-01-01	0.03708
2009-07-01	0.00042
2009-10-01	0.00637
2010-04-01	0.16033
2010-07-01	1.05407
2010-10-01	0.03123
2011-01-01	0.04152
2011-04-01	0.47712
2011-07-01	0.43523
2011-10-01	0.01573
2012-01-01	0.01769
2012-04-01	0.03429
2012-07-01	0.03620
2012-10-01	0.06269
2013-01-01	0.43606
2013-04-01	0.26255
2013-07-01	0.02210
2013-10-01	0.01661
2014-01-01	0.09294
2014-04-01	0.22170
2014-07-01	0.01209
2014-10-01	0.00758
2015-01-01	0.00510
2015-04-01	0.07274