Quarter	Billions of US Dollars
1993-07-01	0.03436
1994-01-01	0.07801
1994-04-01	0.08181
1994-07-01	0.08554
1994-10-01	0.08387
1995-07-01	0.02060
1995-10-01	0.02040
1996-01-01	0.01979
1996-04-01	0.01915
2001-10-01	0.31754
2002-01-01	0.31158
2002-04-01	0.33650
2002-07-01	0.34234
2003-01-01	0.05638
2003-04-01	0.19563
2003-07-01	0.19948
2003-10-01	0.54123
2004-01-01	0.47102
2004-04-01	0.32500
2004-07-01	0.32500
2005-01-01	0.05973
2005-04-01	0.20700
2005-07-01	0.20615
2005-10-01	0.37504
2006-01-01	0.32904
2006-04-01	0.18653
2006-07-01	0.18575
2008-07-01	0.01665
2008-10-01	0.01348
2009-01-01	0.01326
2009-04-01	0.01532
2009-10-01	0.23914
2010-01-01	0.22375
2010-04-01	0.35862
2010-07-01	0.39886
2010-10-01	0.16870
2011-01-01	0.17936
2011-07-01	1.79725
2011-10-01	1.72218
2012-01-01	1.79104
2012-04-01	0.39470
2012-07-01	0.87859
2012-10-01	0.89653
2013-01-01	0.85729
2013-04-01	1.56237
2013-07-01	2.58298
2013-10-01	2.63093
2014-01-01	2.63043
2014-04-01	1.47746
2014-07-01	0.00063