Quarter	Billions of US Dollars
1993-07-01	0.02000
1994-01-01	0.14626
1994-04-01	0.21535
1994-07-01	0.26689
1994-10-01	0.41358
1995-01-01	0.02455
1996-04-01	0.18605
1996-07-01	0.13389
1996-10-01	0.08116
1997-01-01	0.09860
1997-04-01	0.15965
1997-07-01	0.08783
1997-10-01	0.10932
1998-01-01	0.25097
1998-04-01	0.17572
1998-07-01	0.15569
1998-10-01	0.50060
1999-01-01	1.14441
1999-04-01	0.74299
1999-07-01	0.35752
1999-10-01	1.22872
2000-01-01	0.09413
2000-04-01	0.04667
2000-07-01	0.02809
2000-10-01	0.16993
2001-01-01	0.03691
2001-04-01	0.30543
2001-07-01	0.40002
2001-10-01	0.35815
2002-01-01	0.00175
2002-04-01	0.49766
2002-10-01	0.24916
2003-01-01	0.10731
2003-07-01	0.11240
2003-10-01	0.24710
2004-01-01	0.12504
2004-04-01	0.00031
2004-07-01	0.25368
2004-10-01	0.00003
2005-01-01	0.00187
2005-04-01	0.00059
2005-10-01	0.00300
2006-01-01	0.00400
2006-04-01	0.00750
2006-07-01	0.01300
2006-10-01	0.02675
2007-01-01	0.02547
2007-04-01	0.06236
2007-07-01	0.02150
2007-10-01	0.02170
2008-01-01	0.01750
2008-04-01	0.00600
2008-07-01	0.00300
2009-04-01	0.01426
2011-01-01	0.00081
2011-04-01	0.02270
2011-07-01	0.01467
2011-10-01	0.00031
2012-01-01	0.00325
2012-04-01	0.00106
2012-10-01	0.00073
2013-01-01	0.00379
2013-04-01	0.01091
2013-07-01	0.00205
2013-10-01	0.01810
2014-01-01	0.05982
2014-04-01	0.00082
2014-07-01	0.00001
2014-10-01	0.00000