Quarter	Billions of US Dollars
1994-10-01	0.03000
1995-07-01	0.03000
1996-01-01	0.06240
1996-04-01	0.04671
1996-07-01	0.05972
1996-10-01	0.00732
1997-04-01	0.00811
1997-07-01	0.00811
1998-01-01	0.00081
1998-04-01	0.00032
1998-07-01	0.00055
2003-07-01	0.01500
2004-01-01	0.00800
2004-07-01	0.00400
2010-04-01	0.09154
2010-07-01	0.03042
2010-10-01	0.02002
2011-01-01	0.00272
2011-04-01	0.34200
2011-07-01	0.06925
2011-10-01	0.00218
2012-01-01	0.02365
2012-04-01	0.17513
2012-07-01	0.09943
2012-10-01	0.02628
2013-01-01	0.06123
2013-04-01	0.13177
2013-07-01	0.07926
2013-10-01	0.01802
2014-01-01	0.03609
2014-04-01	0.23058
2014-07-01	0.02993
2014-10-01	0.02433
2015-01-01	0.07459
2015-04-01	0.12488