Quarter	Billions of US Dollars
1994-01-01	0.01059
1994-04-01	0.01070
1994-07-01	0.01070
1994-10-01	0.01065
1995-01-01	0.02834
1995-04-01	0.03989
1995-07-01	0.02949
1995-10-01	0.03094
1996-01-01	0.02611
1996-04-01	0.00750
1996-07-01	0.13514
1996-10-01	0.24928
1997-01-01	0.21405
1997-04-01	0.21128
1997-07-01	0.06434
1998-04-01	0.00968
1998-07-01	0.01018
1998-10-01	0.01090
1999-01-01	0.01063
1999-04-01	0.01336
1999-07-01	0.06662
1999-10-01	0.04515
2000-01-01	0.00373
2000-04-01	0.00364
2000-07-01	0.00343
2000-10-01	0.00209
2001-01-01	0.00302
2003-04-01	0.00219
2004-01-01	0.00101
2004-04-01	0.00583
2004-07-01	0.00526
2004-10-01	0.00185
2005-01-01	0.03662
2005-04-01	0.04262
2005-07-01	0.03456
2005-10-01	0.03396
2006-01-01	0.03814
2006-04-01	0.06352
2006-07-01	0.05512
2006-10-01	0.05061
2007-01-01	0.04528
2007-04-01	0.00864
2007-07-01	0.02018
2007-10-01	0.01483
2008-01-01	0.01589
2008-04-01	0.01696
2008-07-01	0.00226
2008-10-01	0.00026
2009-01-01	0.00052
2009-07-01	0.00068
2009-10-01	0.00014
2010-01-01	0.00072
2010-04-01	0.00035
2010-07-01	0.00680
2010-10-01	0.01574
2011-01-01	0.01222
2011-04-01	0.00271
2011-07-01	0.00247
2011-10-01	0.00143
2012-01-01	0.00154
2012-04-01	0.00459
2012-07-01	0.00060
2012-10-01	0.00028
2013-04-01	0.00167
2013-07-01	0.00222
2013-10-01	0.00359
2014-01-01	0.00013
2014-04-01	0.00028
2014-07-01	0.00029
2015-01-01	0.00011
2015-04-01	0.00022