Quarter	Billions of US Dollars
1993-07-01	0.5090
1993-10-01	10.3971
1994-01-01	0.7817
1994-04-01	42.6106
1994-07-01	1.5940
1994-10-01	1.1666
1995-01-01	5.0778
1995-04-01	3.1325
1995-07-01	4.4547
1995-10-01	3.4945
1996-01-01	6.0293
1996-04-01	3.8372
1996-07-01	8.7810
1996-10-01	5.3602
1997-01-01	12.9514
1997-04-01	7.5062
1997-07-01	3.2159
1997-10-01	1.1031
1998-01-01	4.6397
1998-04-01	6.3174
1998-07-01	2.6617
1998-10-01	-20.7502
1999-01-01	3.0607
1999-04-01	9.4806
1999-07-01	3.4703
1999-10-01	8.1208
2000-01-01	11.4091
2000-04-01	-0.5486
2000-07-01	15.9393
2000-10-01	-0.7644
2001-01-01	9.6363
2001-04-01	-4.2087
2001-07-01	0.1129
2001-10-01	-4.2012
2002-01-01	4.5136
2002-04-01	-2.6230
2002-07-01	0.1835
2002-10-01	0.7529
2003-01-01	-5.3747
2003-04-01	-1.7838
2003-07-01	-1.3803
2003-10-01	2.3512
2004-01-01	4.7677
2004-04-01	-1.7896
2004-07-01	1.7195
2004-10-01	5.1262
2005-01-01	5.0067
2005-04-01	-27.8380
2005-07-01	0.5657
2005-10-01	3.2519
2006-01-01	-0.0729
2006-04-01	-16.7313
2006-07-01	2.6563
2006-10-01	2.3110
2007-01-01	-0.9336
2007-04-01	1.9511
2007-07-01	-1.4342
2007-10-01	-0.5108
2008-01-01	-6.5300
2008-04-01	2.1075
2008-07-01	-1.6270
2008-10-01	-5.7358
2009-01-01	1.4634
2009-04-01	-5.0963
2009-07-01	3.5831
2009-10-01	9.0595
2010-01-01	-4.7372
2010-04-01	4.3400
2010-07-01	5.5468
2010-10-01	4.9661
2011-01-01	-1.1304
2011-04-01	-1.0294
2011-07-01	6.5120
2011-10-01	6.1363
2012-01-01	2.3512
2012-04-01	3.0473
2012-07-01	1.4046
2012-10-01	3.8696
2013-01-01	0.1066
2013-04-01	2.9211
2013-07-01	3.9574
2013-10-01	10.2000
2014-01-01	3.9054
2014-04-01	8.7577
2014-07-01	8.4023
2014-10-01	1.9986
2015-01-01	10.8510
2015-04-01	3.1040