Quarter	Billions of US Dollars
1996-10-01	0.25013
1997-01-01	1.17853
1997-04-01	0.50020
1997-07-01	0.58778
1997-10-01	0.00000
1998-04-01	0.10005
1998-07-01	0.18009
2000-01-01	0.08500
2000-07-01	0.10000
2000-10-01	0.10005
2001-04-01	0.93085
2005-07-01	0.00999
2006-01-01	0.20099
2006-04-01	0.08384
2006-10-01	0.00121
2007-01-01	0.00235
2007-04-01	0.24687
2007-07-01	0.00465
2008-07-01	0.02508
2009-01-01	0.11344
2009-10-01	0.00000
2010-07-01	0.02575
2011-07-01	0.02177
2011-10-01	0.04395
2012-01-01	0.02008
2012-04-01	0.02473
2014-01-01	0.00207
2015-01-01	0.23445