Quarter	Billions of US Dollars
1990-07-01	0.11130
1993-07-01	-0.11130
1994-10-01	5.83963
1995-07-01	0.25000
1996-04-01	0.08000
1996-07-01	0.16361
1996-10-01	0.05000
1997-04-01	0.33008
1997-07-01	0.65300
1997-10-01	0.56253
1998-01-01	0.00138
1998-04-01	0.00139
1998-07-01	0.10141
1998-10-01	0.50652
1999-01-01	-0.00503
1999-04-01	0.15603
1999-07-01	0.46317
1999-10-01	0.92465
2000-01-01	1.13186
2000-04-01	-0.41208
2000-07-01	-0.24846
2000-10-01	-0.94200
2001-01-01	1.53996
2001-04-01	-0.13938
2001-07-01	-0.11216
2001-10-01	1.04606
2002-01-01	0.46115
2002-04-01	-0.03054
2002-07-01	1.37684
2002-10-01	-0.70120
2003-01-01	1.61144
2003-04-01	-0.20266
2003-07-01	1.32105
2003-10-01	1.30156
2004-01-01	2.75887
2004-04-01	1.26685
2004-07-01	-0.17203
2004-10-01	-0.51134
2005-01-01	4.60370
2005-04-01	6.41494
2005-07-01	-0.90067
2005-10-01	2.11897
2006-01-01	3.60780
2006-04-01	0.18368
2006-07-01	-0.63501
2006-10-01	0.56682
2007-01-01	-0.40007
2007-04-01	1.70583
2007-07-01	-0.29791
2007-10-01	-0.96832
2008-01-01	-0.77704
2008-04-01	3.49381
2008-07-01	-0.20951
2008-10-01	-0.90000
2009-01-01	1.93218
2009-04-01	1.69634
2009-07-01	3.42094
2009-10-01	3.02893
2010-01-01	5.49582
2010-04-01	-0.48051
2010-07-01	2.95953
2010-10-01	0.72802
2011-01-01	0.67377
2011-04-01	2.81598
2011-07-01	0.60082
2011-10-01	2.24688
2012-01-01	4.42718
2012-04-01	1.40780
2012-07-01	3.20928
2012-10-01	5.23868
2013-01-01	-2.90431
2013-04-01	-0.42647
2013-07-01	0.96444
2013-10-01	1.60874
2014-01-01	0.33981
2014-04-01	-2.63152
2014-07-01	1.25332
2014-10-01	-0.28640
2015-04-01	-0.43051