Quarter	Billions of US Dollars
2013-04-01	0.08058
2013-07-01	0.40880
2013-10-01	0.02936
2014-04-01	0.01881
2014-07-01	-0.06578
2014-10-01	0.34709
2015-01-01	0.09776
2015-04-01	0.00148