Quarter	Billions of US Dollars
1993-07-01	5.9165
1993-10-01	0.0179
1994-01-01	2.6727
1994-04-01	0.0180
1994-07-01	4.1078
1994-10-01	3.0872
1995-01-01	-0.0283
1995-04-01	6.5676
1995-07-01	1.3242
1995-10-01	0.6253
1996-01-01	-0.1608
1996-04-01	2.9997
1996-07-01	1.5292
1996-10-01	0.9178
1997-01-01	0.8005
1997-04-01	1.8288
1997-07-01	1.9295
1997-10-01	-0.3636
1998-01-01	1.7659
1998-04-01	1.7883
1998-07-01	-1.0374
1998-10-01	1.6982
1999-01-01	-2.1222
1999-04-01	3.7395
1999-07-01	-2.3747
1999-10-01	0.3366
2000-01-01	5.4045
2000-04-01	7.9633
2000-07-01	-0.3421
2000-10-01	0.7605
2001-01-01	7.8267
2001-04-01	-1.9029
2001-07-01	-1.0505
2001-10-01	4.2382
2002-01-01	6.8154
2002-04-01	-2.6533
2002-07-01	2.9187
2002-10-01	1.9948
2003-01-01	11.1511
2003-04-01	0.1267
2003-07-01	6.5279
2003-10-01	3.2213
2004-01-01	13.5316
2004-04-01	7.8143
2004-07-01	-2.3192
2004-10-01	-0.6410
2005-01-01	2.3753
2005-04-01	3.0119
2005-07-01	0.7924
2005-10-01	-1.8685
2006-01-01	-0.0106
2006-04-01	2.8877
2006-07-01	1.1720
2006-10-01	-9.0424
2007-01-01	-0.2220
2007-04-01	8.8014
2007-07-01	-6.8952
2007-10-01	-2.6828
2008-01-01	1.0692
2008-04-01	0.0660
2008-07-01	-23.7145
2008-10-01	-2.5251
2009-01-01	1.8348
2009-04-01	-1.1972
2009-07-01	-3.5039
2009-10-01	6.0573
2010-01-01	1.3931
2010-04-01	5.3214
2010-07-01	10.7818
2010-10-01	2.5365
2011-01-01	-1.5295
2011-04-01	1.7408
2011-07-01	3.0878
2011-10-01	-3.6203
2012-01-01	2.3232
2012-04-01	-2.9367
2012-07-01	-0.5989
2012-10-01	-4.1835
2013-01-01	-0.9241
2013-04-01	-1.2814
2013-07-01	-1.5299
2013-10-01	-0.8989
2014-01-01	0.2486
2014-04-01	-0.4744
2014-07-01	-7.2138
2014-10-01	-0.3749
2015-01-01	-5.7281
2015-04-01	-0.3058