Quarter	Billions of US Dollars
1996-04-01	0.040
1996-07-01	0.040
1996-10-01	0.040
1997-01-01	0.040
2001-04-01	0.050
2001-07-01	0.050
2001-10-01	0.050
2002-01-01	0.050
2011-10-01	0.014
2012-01-01	0.021
2012-04-01	0.046
2012-07-01	0.061
2012-10-01	0.072
2013-01-01	0.065
2013-04-01	0.040
2013-07-01	0.025
2013-10-01	0.115
2014-01-01	0.115
2014-04-01	0.365
2014-07-01	0.365
2014-10-01	0.250
2015-01-01	0.250