Quarter	Billions of US Dollars
1994-01-01	0.04686
1994-04-01	0.07881
1994-07-01	0.02017
1994-10-01	0.04992
1996-01-01	0.04284
2004-10-01	0.23683
2005-04-01	0.20000
2006-04-01	0.28324
2006-07-01	0.02451
2007-01-01	0.31344
2007-04-01	0.33644
2007-07-01	0.16529
2007-10-01	0.13083
2008-01-01	1.13159
2008-04-01	1.02032
2008-07-01	0.05905
2009-01-01	0.06080
2009-04-01	0.36629
2009-07-01	0.12052
2009-10-01	0.00001
2010-04-01	0.48329
2010-07-01	0.97187
2010-10-01	0.29257
2011-01-01	0.19657
2011-04-01	0.48084
2011-07-01	0.42117
2011-10-01	0.25053
2012-01-01	0.93597
2012-04-01	0.32484
2012-07-01	0.36091
2012-10-01	0.49618
2013-01-01	0.09965
2013-04-01	0.13068
2013-07-01	0.02469
2014-10-01	0.12215
2015-01-01	0.08200
2015-04-01	0.32291