Quarter	Billions of US Dollars
1996-10-01	0.00488
1997-01-01	0.00488
1997-04-01	0.00488
1997-07-01	0.00488
1998-10-01	0.07012
1999-01-01	0.07012
1999-04-01	0.07012
1999-07-01	0.07012
2008-01-01	0.01429
2008-04-01	0.01429
2008-07-01	0.02857
2008-10-01	0.02857
2009-01-01	0.02857
2009-04-01	0.02857
2009-07-01	0.02857
2009-10-01	0.02857
2010-01-01	0.02857
2010-04-01	0.02857
2010-07-01	0.02857
2010-10-01	0.04286
2011-01-01	0.02857
2011-04-01	0.02857
2011-07-01	0.47858
2011-10-01	0.46429
2012-01-01	0.46429
2012-04-01	0.46429
2012-07-01	0.02857
2012-10-01	0.02857
2013-01-01	0.04286
2013-04-01	0.04286
2013-07-01	0.02857
2013-10-01	0.02857
2014-01-01	0.01429
2014-04-01	0.01429
2014-07-01	0.02857
2014-10-01	0.02857
2015-01-01	0.02857
2015-04-01	0.02857