Quarter	Billions of US Dollars
1993-07-01	0.39925
1993-10-01	0.88148
1994-01-01	0.35992
1994-04-01	0.14830
1994-07-01	0.65578
1994-10-01	0.18291
1995-01-01	-0.25982
1995-04-01	-0.29790
1995-07-01	-0.00646
1995-10-01	0.36207
1996-01-01	0.05867
1996-04-01	0.20932
1996-07-01	0.06464
1997-01-01	0.15583
1997-04-01	0.11271
1997-07-01	0.72677
1997-10-01	-0.13600
1998-01-01	-0.04850
1998-04-01	-0.04974
1998-07-01	0.09890
1998-10-01	0.25404
1999-01-01	0.76162
1999-04-01	-0.05780
1999-07-01	1.05500
1999-10-01	-0.01287
2000-01-01	0.64176
2000-04-01	-0.03216
2000-10-01	-0.00325
2001-01-01	-0.35522
2001-04-01	2.73051
2001-07-01	0.03810
2001-10-01	1.62106
2002-01-01	2.13740
2002-04-01	0.98282
2002-07-01	-0.35143
2003-01-01	0.42768
2003-04-01	0.34815
2003-07-01	0.66832
2003-10-01	-0.16450
2004-01-01	0.53624
2004-04-01	-0.36512
2004-07-01	-0.28785
2004-10-01	-0.06289
2005-01-01	0.12600
2005-04-01	0.58141
2005-07-01	-0.09899
2005-10-01	-0.20160
2006-01-01	0.08350
2006-04-01	-0.29897
2006-07-01	-0.17199
2006-10-01	0.51660
2007-01-01	0.31133
2007-04-01	0.55000
2007-07-01	-0.06405
2007-10-01	-0.05191
2008-01-01	-0.72416
2008-04-01	-0.21254
2008-07-01	0.40503
2008-10-01	-0.15748
2009-01-01	-0.74958
2009-04-01	2.15575
2009-07-01	-0.64668
2009-10-01	0.78938
2010-01-01	-0.02372
2010-04-01	0.61135
2010-07-01	0.26868
2010-10-01	0.58040
2011-01-01	-2.03414
2011-04-01	1.24917
2011-07-01	-0.14398
2011-10-01	-0.06817
2012-01-01	1.16664
2012-04-01	0.12420
2012-07-01	0.31911
2012-10-01	0.20096
2013-01-01	-0.45776
2013-04-01	0.13091
2013-07-01	-0.74178
2013-10-01	0.60860
2014-01-01	-0.59542
2014-04-01	-0.19978
2014-07-01	-0.08076
2014-10-01	-0.88550
2015-01-01	-0.38058
2015-04-01	0.14699