Quarter	Billions of US Dollars
1994-07-01	0.00005
1995-10-01	0.12370
1996-01-01	0.32203
1996-04-01	0.20192
1996-07-01	0.01500
1996-10-01	0.13607
1997-01-01	0.01000
1997-04-01	0.15300
1997-07-01	0.04400
2009-01-01	0.20000
2009-04-01	0.20000
2009-07-01	0.20000
2009-10-01	0.20000
2013-04-01	0.45000
2013-07-01	0.45000
2013-10-01	0.64000
2014-01-01	0.64000
2014-04-01	0.19000
2014-07-01	0.19000
2015-04-01	0.15000