Quarter	Billions of US Dollars
2008-04-01	0.00115
2008-07-01	0.00109
2008-10-01	0.00095
2009-01-01	0.00103
2012-01-01	0.16996
2012-04-01	0.16320
2012-07-01	0.17682
2012-10-01	0.17452
2013-01-01	0.15916
2013-04-01	0.15228
2013-07-01	0.15274
2013-10-01	0.14395
2014-01-01	0.11911
2014-04-01	0.13593
2014-07-01	0.12469
2014-10-01	0.06116
2015-01-01	0.09353
2015-04-01	0.08165