Quarter	Billions of US Dollars
1992-07-01	0.00500
1992-10-01	0.00200
1993-01-01	0.00500
1997-04-01	0.01188
1997-07-01	0.00939
1999-04-01	0.02700
1999-07-01	0.04100
1999-10-01	0.00300
2000-01-01	0.01380
2000-04-01	0.10000
2000-07-01	0.10000
2000-10-01	0.18000
2001-01-01	0.18000
2001-04-01	0.08000
2001-07-01	0.08850
2001-10-01	0.00850
2002-01-01	0.00850
2002-04-01	0.00850
2002-07-01	0.00850
2002-10-01	0.00600
2003-01-01	0.00600
2003-04-01	0.00600
2003-07-01	0.00300
2003-10-01	0.00100
2004-01-01	0.00100
2008-10-01	0.01543
2009-01-01	0.04689
2009-04-01	0.25482
2009-07-01	0.48236
2009-10-01	0.41615
2010-01-01	0.13098
2010-04-01	0.45795
2010-07-01	0.41307
2010-10-01	0.46532
2011-01-01	0.38476
2011-04-01	0.14999
2011-07-01	0.24245
2011-10-01	0.25797
2012-01-01	0.23368
2012-04-01	0.68626
2012-07-01	0.76450
2012-10-01	0.56711
2013-01-01	0.42960
2013-04-01	0.17128
2013-07-01	0.27939
2013-10-01	0.25198
2014-01-01	0.25134
2014-04-01	0.06663
2014-07-01	0.02797
2014-10-01	0.02445
2015-01-01	0.02456
2015-04-01	0.14896