Quarter	Billions of US Dollars
2010-07-01	0.00089
2010-10-01	0.00709
2011-01-01	0.20584
2011-04-01	0.40120
2011-07-01	0.63016
2011-10-01	0.76901
2012-01-01	1.15679
2012-04-01	-0.05576
2012-07-01	0.20241
2012-10-01	0.77705
2013-01-01	4.07054
2013-04-01	4.17622
2013-07-01	1.14108
2013-10-01	3.37157
2014-01-01	9.19536
2014-04-01	3.60837
2014-07-01	-1.58208
2014-10-01	-2.95422
2015-01-01	-5.48448
2015-04-01	-0.59866
