Quarter	Billions of US Dollars
2004-01-01	0.45000
2004-04-01	0.45000
2004-07-01	0.45000
2004-10-01	0.45000
2005-07-01	0.68932
2005-10-01	0.74298
2006-01-01	1.27022
2006-04-01	0.60740
2006-07-01	0.47877
2006-10-01	0.60770
2007-01-01	0.60091
2007-04-01	0.71550
2007-07-01	0.23078
2007-10-01	0.32900
2008-01-01	0.39121
2008-04-01	0.35135
2008-07-01	0.33226
2008-10-01	0.52505
2009-01-01	0.50000
2009-04-01	1.00000
2009-07-01	1.00000
2009-10-01	0.50000
2010-01-01	0.51932
2010-04-01	0.51011
2010-07-01	0.56525
2010-10-01	0.65377
2011-01-01	0.66828
2011-04-01	0.20000
2011-07-01	0.30000
2011-10-01	0.20000
2012-01-01	0.39557
2012-04-01	0.37607
2012-07-01	0.25302
2012-10-01	0.19619
2013-07-01	0.03314
2013-10-01	0.03365
2014-01-01	0.03394
2014-04-01	0.03370
2015-01-01	0.16144
2015-04-01	0.15914