Quarter	Billions of US Dollars
1993-10-01	0.14482
1994-01-01	0.14952
1994-04-01	0.15670
1994-07-01	0.24286
1994-10-01	0.05939
1995-01-01	0.02500
1995-04-01	0.03735
1995-07-01	0.04155
1995-10-01	0.05170
1996-01-01	0.10211
1996-04-01	0.09094
1996-07-01	0.09074
1996-10-01	0.07456
1997-01-01	0.03000
1997-04-01	0.03000
1997-07-01	0.04377
1997-10-01	0.14137
1998-01-01	0.13137
1998-04-01	0.13148
1998-07-01	0.12687
1998-10-01	0.06786
1999-01-01	0.06400
1999-04-01	0.04900
1999-07-01	0.04500
1999-10-01	0.06434
2000-01-01	0.06422
2000-04-01	0.06415
2000-07-01	0.06914
2000-10-01	0.00500
2001-01-01	0.02000
2001-04-01	0.02000
2001-07-01	0.01500
2001-10-01	0.01500
2002-04-01	0.07500
2002-07-01	0.07500
2002-10-01	0.07500
2003-01-01	0.07500
2003-10-01	0.01587
2004-01-01	0.01737
2004-04-01	0.01768
2004-07-01	0.01730
2004-10-01	0.01083
2005-01-01	0.01120
2005-04-01	0.01178
2006-04-01	0.09236
2006-07-01	0.09233
2006-10-01	0.09659
2007-01-01	0.09666
2007-04-01	0.01500
2007-07-01	0.01500
2007-10-01	0.01500
2008-01-01	0.01000
2009-01-01	0.03305
2009-04-01	0.03115
2009-07-01	0.04142
2009-10-01	0.04275
2011-01-01	0.97205
2011-04-01	1.12398
2011-07-01	1.16633
2011-10-01	1.10393
2012-01-01	0.61864
2012-04-01	0.46868
2012-07-01	0.49318
2012-10-01	0.49322
2013-01-01	0.23063
2013-04-01	0.53761
2013-07-01	0.47333
2013-10-01	0.78932
2014-01-01	0.62270
2014-04-01	0.48900
2014-07-01	0.47530
2014-10-01	0.04384
2015-01-01	0.17280
2015-04-01	0.49399