Quarter	Billions of US Dollars
2009-07-01	0.01000
2011-07-01	0.15000
2011-10-01	0.05000
2014-01-01	0.00999
2014-04-01	0.01022
2014-07-01	0.01780
2014-10-01	0.04838
2015-01-01	0.04588
2015-04-01	0.03303