Quarter	Billions of US Dollars
2005-10-01	0.10000
2006-01-01	0.22500
2006-04-01	0.32500
2006-07-01	0.32500
2006-10-01	0.32500
2007-01-01	0.32500
2007-04-01	0.32500
2007-07-01	0.32500
2007-10-01	1.07500
2008-01-01	1.07500
2008-04-01	1.11500
2008-07-01	1.11500
2008-10-01	1.11500
2009-01-01	0.99000
2009-04-01	0.99000
2009-07-01	0.99000
2009-10-01	0.99000
2010-01-01	0.99000
2010-04-01	0.99000
2010-07-01	0.99000
2010-10-01	0.99000
2011-01-01	0.99000
2011-04-01	0.85000
2011-07-01	0.85000
2011-10-01	0.85000
2012-01-01	0.85000
2012-04-01	0.85000
2012-07-01	0.85000
2012-10-01	0.85000
2013-01-01	0.85000
2013-04-01	1.85000
2013-07-01	1.85000
2013-10-01	1.85000
2014-01-01	1.85000
2014-04-01	2.66948
2014-07-01	2.60498
2014-10-01	2.34136
2015-01-01	2.25844
2015-04-01	2.33324