Quarter	Billions of US Dollars
1993-07-01	3.1036
1993-10-01	0.4374
1994-01-01	1.2830
1994-04-01	0.7744
1994-07-01	0.9303
1994-10-01	0.6774
1995-01-01	2.3249
1995-04-01	1.9304
1995-07-01	0.6366
1995-10-01	0.8997
1996-01-01	0.8310
1996-04-01	1.1048
1996-07-01	1.6731
1996-10-01	1.6528
1997-01-01	1.5836
1997-04-01	0.8294
1997-07-01	0.5009
1997-10-01	0.6866
1998-01-01	0.7270
1998-04-01	0.4735
1998-07-01	2.0228
1998-10-01	0.8857
1999-01-01	1.0657
1999-04-01	1.4643
1999-07-01	2.3547
1999-10-01	1.6485
2000-01-01	1.1739
2000-04-01	1.1599
2000-07-01	1.1370
2000-10-01	1.6756
2001-01-01	2.8750
2001-04-01	2.1684
2001-07-01	2.6834
2001-10-01	3.0534
2002-01-01	2.7529
2002-04-01	1.7695
2002-07-01	1.5080
2002-10-01	2.1000
2003-01-01	3.2954
2003-04-01	3.1573
2003-07-01	2.9047
2003-10-01	3.5045
2004-01-01	5.3057
2004-04-01	3.3667
2004-07-01	3.3483
2004-10-01	4.6491
2005-01-01	4.9851
2005-04-01	3.8946
2005-07-01	3.9219
2005-10-01	4.9526
2006-01-01	3.6714
2006-04-01	4.2138
2006-07-01	4.6423
2006-10-01	5.0233
2007-01-01	5.5966
2007-04-01	5.5612
2007-07-01	3.4257
2007-10-01	2.8005
2008-01-01	5.2965
2008-04-01	5.3314
2008-07-01	6.1756
2008-10-01	15.4301
2009-01-01	16.0656
2009-04-01	11.6267
2009-07-01	14.0317
2009-10-01	8.4756
2010-01-01	9.5709
2010-04-01	11.5624
2010-07-01	5.7125
2010-10-01	7.0657
2011-01-01	5.8092
2011-04-01	4.7607
2011-07-01	4.6254
2011-10-01	4.5222
2012-01-01	5.7878
2012-04-01	5.3962
2012-07-01	4.9768
2012-10-01	4.8929
2013-01-01	4.4636
2013-04-01	4.0540
2013-07-01	4.2122
2013-10-01	3.0803
2014-01-01	2.9409
2014-04-01	3.9032
2014-07-01	3.4272
2014-10-01	3.2842
2015-01-01	3.1082
2015-04-01	3.1210