Quarter	Billions of US Dollars
1993-07-01	-0.02441
1993-10-01	0.16319
1994-01-01	-0.07641
1994-04-01	0.27920
1994-07-01	0.25980
1994-10-01	-0.20000
1995-04-01	-0.10744
1995-07-01	0.15000
1995-10-01	-0.11240
1996-01-01	0.12000
1996-04-01	0.20000
1996-07-01	0.19986
1996-10-01	0.33981
1997-01-01	0.36400
1997-04-01	0.28600
1997-07-01	0.61292
1997-10-01	0.04034
1998-01-01	-0.08246
1998-04-01	0.22326
1998-07-01	-0.20786
1999-01-01	-0.05014
1999-04-01	-0.40037
1999-07-01	-0.32420
1999-10-01	-0.21350
2000-01-01	-0.30837
2000-04-01	-0.03500
2001-01-01	-0.02070
2001-04-01	-0.21820
2002-01-01	0.12486
2002-07-01	-0.04241
2002-10-01	0.07762
2003-07-01	0.09998
2003-10-01	-0.20084
2004-01-01	0.49805
2004-04-01	0.85000
2004-07-01	0.94242
2004-10-01	1.22938
2005-01-01	2.29300
2005-04-01	0.50000
2005-07-01	0.57573
2005-10-01	0.67152
2006-01-01	2.54013
2006-04-01	2.19259
2006-07-01	0.54946
2006-10-01	0.73700
2007-01-01	1.72072
2007-04-01	1.22595
2007-07-01	0.77129
2007-10-01	1.12369
2008-01-01	0.17081
2008-04-01	0.17323
2008-07-01	1.15084
2008-10-01	-0.08214
2009-01-01	-0.42218
2009-04-01	0.46302
2009-07-01	0.77175
2009-10-01	2.10282
2010-01-01	-0.51906
2010-04-01	-0.09988
2010-07-01	-0.60498
2010-10-01	-0.68253
2011-01-01	-1.67270
2011-04-01	1.38314
2011-07-01	1.28932
2011-10-01	-0.56376
2012-01-01	-0.80799
2012-04-01	-2.00012
2012-07-01	-1.95565
2012-10-01	1.51519
2013-01-01	1.26021
2013-04-01	2.48086
2013-07-01	1.00000
2013-10-01	0.70000
2014-01-01	0.28539
2014-04-01	-0.71952
2014-07-01	4.09649
2014-10-01	-0.02190
2015-01-01	0.81324
2015-04-01	1.84695