Quarter	Billions of US Dollars
2013-04-01	0.08058
2013-07-01	0.40880
2013-10-01	0.02936
2014-04-01	0.10000
2014-07-01	0.34302
2014-10-01	0.47641
2015-01-01	0.19552
2015-04-01	0.19490