Quarter	Billions of US Dollars
2011-10-01	0.5
2012-01-01	0.5
2012-04-01	0.5
2012-07-01	0.5
2012-10-01	0.5
2013-01-01	0.5
2013-04-01	0.5
2013-07-01	0.5
2013-10-01	0.5
2014-01-01	0.5
2014-04-01	0.5
2014-07-01	0.5
2014-10-01	0.5
2015-01-01	0.5
2015-04-01	0.5