Quarter	Billions of US Dollars
1993-07-01	0.1328
1993-10-01	0.5211
1994-01-01	0.6155
1994-04-01	0.2063
1994-07-01	0.5093
1994-10-01	0.2300
1995-01-01	0.0335
1995-04-01	0.0010
1995-07-01	0.0858
1995-10-01	0.9325
1996-01-01	-0.8968
1996-04-01	0.1614
1996-07-01	0.2041
1996-10-01	0.2585
1997-01-01	-0.2796
1997-04-01	0.5296
1997-07-01	0.0269
1997-10-01	0.5049
1998-01-01	0.0518
1998-04-01	0.3745
1998-07-01	-0.1459
1998-10-01	0.2052
1999-01-01	0.4947
1999-04-01	0.2783
1999-07-01	0.3299
1999-10-01	0.2936
2000-01-01	0.6247
2000-04-01	0.2268
2000-07-01	1.1158
2000-10-01	0.7443
2001-01-01	0.5704
2001-04-01	1.1207
2001-07-01	1.0901
2001-10-01	0.5277
2002-01-01	1.8001
2002-04-01	1.3127
2002-07-01	1.1914
2002-10-01	1.3162
2003-01-01	2.1251
2003-04-01	0.9332
2003-07-01	2.9331
2003-10-01	2.1699
2004-01-01	1.3077
2004-04-01	3.0706
2004-07-01	0.7977
2004-10-01	5.0410
2005-01-01	3.5685
2005-04-01	5.3019
2005-07-01	3.8809
2005-10-01	8.1701
2006-01-01	11.3211
2006-04-01	5.1835
2006-07-01	6.0065
2006-10-01	8.3490
2007-01-01	10.9467
2007-04-01	12.2194
2007-07-01	2.5799
2007-10-01	10.1195
2008-01-01	7.8492
2008-04-01	10.7159
2008-07-01	2.6864
2008-10-01	0.4345
2009-01-01	4.8196
2009-04-01	0.4473
2009-07-01	6.2825
2009-10-01	0.5997
2010-01-01	3.2642
2010-04-01	-0.2606
2010-07-01	-0.1021
2010-10-01	1.5481
2011-01-01	8.8588
2011-04-01	6.6908
2011-07-01	4.2569
2011-10-01	8.6651
2012-01-01	4.0014
2012-04-01	-5.2170
2012-07-01	0.3093
2012-10-01	3.6944
2013-01-01	-1.5486
2013-04-01	-2.4762
2013-07-01	4.1613
2013-10-01	0.4561
2014-01-01	2.4273
2014-04-01	-4.3310
2014-07-01	6.7615
2014-10-01	2.0820
2015-01-01	-5.3770
2015-04-01	1.5242