Quarter	Billions of US Dollars
1994-04-01	0.15540
2003-07-01	0.12000
2005-10-01	0.60000
2010-04-01	0.60000
2010-07-01	0.12868
2011-01-01	0.30383
2012-07-01	0.21537
2012-10-01	0.10665
2013-01-01	1.03293
2014-04-01	0.08668
2014-07-01	0.33622
2014-10-01	0.02300
2015-04-01	0.01290