Quarter	Billions of US Dollars
2008-04-01	0.00128
2012-01-01	0.17008
2012-10-01	0.00070
2013-01-01	0.15918
2013-04-01	0.00313
2013-07-01	0.00018
2013-10-01	0.00015
2014-01-01	0.11886
2014-04-01	0.01671
2014-07-01	0.00031
2014-10-01	0.03384
2015-01-01	0.04646
2015-04-01	0.00349