Quarter	Billions of US Dollars
1996-10-01	0.20000
1997-07-01	0.35000
1999-07-01	0.20000
1999-10-01	0.10000
2000-04-01	0.35000
2001-04-01	0.15000
2002-10-01	0.10000
2003-04-01	0.10000
2004-01-01	0.30000
2004-04-01	0.20000
2004-07-01	0.20000
2004-10-01	0.20000
2005-01-01	0.20000
2005-04-01	0.60000
2005-10-01	0.45000
2006-01-01	0.42100
2006-04-01	0.55000
2006-07-01	0.83701
2006-10-01	0.26991
2007-04-01	0.25000
2007-10-01	0.75000
2008-04-01	0.04000
2009-07-01	0.49999
2009-10-01	0.50001
2010-04-01	0.56075
2010-10-01	4.00000
2011-01-01	1.05400
2011-04-01	0.60000
2012-04-01	0.27700
2012-07-01	1.37594
2012-10-01	1.80000
2013-01-01	0.98520
2013-04-01	4.10000
2013-07-01	0.50000
2013-10-01	0.60000
2014-04-01	2.10304
2014-07-01	0.13054
2014-10-01	7.72400
2015-01-01	0.12070
2015-04-01	0.16720