Quarter	Billions of US Dollars
1985-01-01	0.01920
1986-07-01	0.02590
1988-04-01	0.04010
1994-04-01	0.01350
1994-10-01	0.03000
1996-04-01	0.03000
1996-07-01	0.04350
1997-10-01	0.00000
2000-04-01	0.10000
2001-10-01	0.15000
2004-10-01	0.01363
2005-01-01	0.22369
2005-04-01	0.00788
2005-10-01	0.12500
2006-04-01	0.15000
2006-07-01	0.02500
2006-10-01	0.07500
2007-04-01	0.01000
2007-07-01	0.02700
2007-10-01	0.05350
2008-01-01	0.34727
2008-04-01	0.00500
2008-07-01	0.00500
2009-07-01	0.00500
2009-10-01	0.45000
2010-04-01	0.19000
2010-07-01	0.20000
2010-10-01	0.00474
2011-07-01	0.02000
2012-04-01	0.01200
2012-07-01	0.25000
2013-04-01	0.47205
2013-07-01	0.00746
2013-10-01	0.02176
2014-01-01	1.25000