Quarter	Billions of US Dollars
2012-07-01	0.3500
2012-10-01	0.3500
2013-01-01	0.3500
2013-04-01	0.3500
2013-07-01	0.3500
2013-10-01	0.3500
2014-01-01	0.3500
2014-04-01	0.3500
2014-07-01	1.2500
2014-10-01	1.5500
2015-01-01	1.5500
2015-04-01	2.8431