Quarter	Billions of US Dollars
1993-07-01	0.24950
1993-10-01	0.21700
1994-01-01	0.29473
1994-04-01	0.30169
1994-07-01	0.31794
1994-10-01	0.31795
1995-01-01	0.29072
1995-04-01	0.31795
1995-07-01	0.34434
1995-10-01	0.30802
1996-01-01	0.29524
1996-04-01	0.27318
1996-07-01	0.28397
1996-10-01	0.29553
1997-01-01	0.30435
1997-04-01	0.63453
1997-07-01	0.59748
1997-10-01	0.54680
1998-01-01	0.53537
1998-04-01	0.54028
1998-07-01	0.94937
1998-10-01	0.89286
1999-01-01	0.86279
1999-04-01	1.10202
1999-07-01	1.16369
1999-10-01	1.13183
2000-01-01	1.07609
2000-04-01	1.05386
2000-07-01	1.01557
2000-10-01	0.98871
2001-01-01	1.02209
2001-04-01	1.00341
2001-07-01	1.00725
2001-10-01	0.96151
2002-01-01	1.44894
2002-04-01	1.30499
2002-07-01	1.36029
2002-10-01	1.26988
2003-01-01	1.28559
2003-04-01	1.34854
2003-07-01	1.49554
2003-10-01	1.73289
2004-01-01	1.71442
2004-04-01	1.88440
2004-07-01	2.24278
2004-10-01	2.60782
2005-01-01	2.49290
2005-04-01	2.07989
2005-07-01	2.08509
2005-10-01	1.97661
2006-01-01	2.02805
2006-04-01	1.77412
2006-07-01	1.76673
2006-10-01	1.83790
2007-01-01	1.85855
2007-04-01	1.88465
2007-07-01	1.97871
2007-10-01	2.05434
2008-01-01	2.20659
2008-04-01	2.19989
2008-07-01	1.78788
2008-10-01	1.99013
2009-01-01	1.55304
2009-04-01	4.21758
2009-07-01	4.14983
2009-10-01	4.57823
2010-01-01	5.13954
2010-04-01	5.00309
2010-07-01	5.42194
2010-10-01	6.40708
2011-01-01	7.22651
2011-04-01	7.68001
2011-07-01	7.25006
2011-10-01	7.15687
2012-01-01	6.12373
2012-04-01	5.22302
2012-07-01	0.10991
2012-10-01	5.38975
2013-01-01	5.23724
2013-04-01	3.84552
2013-07-01	3.85568
2013-10-01	0.76147
2014-01-01	3.81928
2014-04-01	5.02614
2014-07-01	3.76861
2014-10-01	3.67265
2015-01-01	3.21156
2015-04-01	4.45882