Quarter	Billions of US Dollars
1993-07-01	6.1614
1993-10-01	6.4322
1994-01-01	7.4244
1994-04-01	5.9292
1994-07-01	6.1290
1994-10-01	6.1621
1995-01-01	1.4616
1995-04-01	3.2328
1995-07-01	4.5420
1995-10-01	5.2918
1996-01-01	5.6654
1996-04-01	7.6899
1996-07-01	7.4015
1996-10-01	7.2734
1997-01-01	5.7640
1997-04-01	4.7920
1997-07-01	5.7382
1997-10-01	2.0506
1998-01-01	5.6399
1998-04-01	3.4622
1998-07-01	2.0052
1998-10-01	1.3291
1999-01-01	2.3151
1999-04-01	3.1969
1999-07-01	2.2724
1999-10-01	2.6614
2000-01-01	2.5351
2000-04-01	3.6558
2000-07-01	3.0320
2000-10-01	1.8174
2001-01-01	1.7701
2001-04-01	2.2050
2001-07-01	1.4517
2001-10-01	1.9506
2002-01-01	1.6921
2002-04-01	2.0518
2002-07-01	2.6496
2002-10-01	2.8046
2003-01-01	4.6227
2003-04-01	2.8703
2003-07-01	3.5590
2003-10-01	1.7883
2004-01-01	2.3481
2004-04-01	1.5229
2004-07-01	1.9265
2004-10-01	2.2866
2005-01-01	2.0551
2005-04-01	2.1120
2005-07-01	2.8502
2005-10-01	3.0328
2006-01-01	4.8590
2006-04-01	4.3353
2006-07-01	6.1517
2006-10-01	7.4890
2007-01-01	7.6828
2007-04-01	7.2771
2007-07-01	7.3171
2007-10-01	6.5298
2008-01-01	7.8720
2008-04-01	7.8370
2008-07-01	10.0598
2008-10-01	0.7523
2009-01-01	3.7685
2009-04-01	4.0373
2009-07-01	4.0547
2009-10-01	3.5192
2010-01-01	3.5120
2010-04-01	4.0861
2010-07-01	3.8860
2010-10-01	2.1178
2011-01-01	3.6158
2011-04-01	3.0582
2011-07-01	3.5473
2011-10-01	4.1536
2012-01-01	5.3322
2012-04-01	4.4055
2012-07-01	5.0701
2012-10-01	3.9583
2013-01-01	5.8736
2013-04-01	5.9209
2013-07-01	7.2216
2013-10-01	7.7452
2014-01-01	7.3111
2014-04-01	8.5108
2014-07-01	7.7738
2014-10-01	8.4333
2015-01-01	8.3315
2015-04-01	10.6863