Quarter	Billions of US Dollars
1996-04-01	0.00710
1996-07-01	0.00687
1996-10-01	-0.00690
1997-01-01	0.00852
1997-04-01	-0.01540
1998-01-01	0.00268
1998-04-01	-0.00097
1998-07-01	-0.00168
1999-01-01	0.00294
1999-07-01	-0.00296
1999-10-01	0.01404
2000-01-01	0.08411
2000-04-01	0.05857
2000-07-01	0.12591
2000-10-01	0.02509
2001-01-01	-0.02310
2001-04-01	-0.08202
2001-07-01	-0.12068
2001-10-01	-0.00597
2002-01-01	0.18181
2002-04-01	-0.09156
2002-07-01	0.07232
2002-10-01	-0.03416
2003-01-01	0.05405
2003-04-01	0.26167
2003-07-01	0.02078
2003-10-01	0.00410
2004-01-01	0.10629
2004-04-01	-0.12747
2004-07-01	-0.12179
2004-10-01	0.14560
2005-01-01	0.06196
2005-04-01	0.05613
2005-07-01	0.31103
2005-10-01	0.35540
2006-01-01	0.26182
2006-04-01	0.32258
2006-07-01	0.05914
2006-10-01	-0.06394
2007-01-01	1.17084
2007-04-01	0.74309
2007-07-01	-0.59352
2007-10-01	-0.35980
2008-01-01	-0.56322
2008-04-01	-0.23349
2008-07-01	-0.27681
2008-10-01	-1.02796
2009-01-01	0.61038
2009-04-01	0.04484
2009-07-01	-0.11479
2009-10-01	0.01056
2010-01-01	-0.33207
2010-04-01	0.12341
2010-07-01	0.39253
2010-10-01	-0.12022
2011-01-01	0.25055
2011-04-01	0.19983
2011-07-01	-0.54671
2011-10-01	0.03364
2012-01-01	0.03660
2012-04-01	-0.08109
2012-07-01	-0.23558
2012-10-01	-0.13985
2013-01-01	0.51176
2013-04-01	-0.28478
2013-07-01	0.17918
2013-10-01	0.03874
2014-01-01	-0.28062
2014-04-01	-0.16909
2014-07-01	-0.33941
2014-10-01	-0.08505
2015-01-01	0.16552
2015-04-01	0.23567
