Quarter	Billions of US Dollars
2009-10-01	0.70000
2010-01-01	0.70000
2010-04-01	0.70000
2010-07-01	0.70000
2011-07-01	0.30000
2011-10-01	0.30000
2012-01-01	0.30000
2012-04-01	0.30000
2013-04-01	0.08093
2013-07-01	0.69893
2013-10-01	0.78802
2014-01-01	0.78665
2014-04-01	0.80536
2014-07-01	1.72427
2014-10-01	2.82970
2015-01-01	3.03807
2015-04-01	3.18265