Quarter	Billions of US Dollars
1989-10-01	-0.0930
1990-01-01	0.3640
1990-04-01	0.0530
1990-07-01	0.7840
1990-10-01	0.1250
1991-01-01	1.0550
1991-04-01	0.0490
1991-07-01	-0.2880
1991-10-01	-0.4980
1992-01-01	0.8770
1992-04-01	-0.3030
1992-07-01	-0.4500
1992-10-01	-0.1620
1993-01-01	0.5160
1993-04-01	0.9320
1993-07-01	2.9084
1993-10-01	0.6654
1994-01-01	0.1920
1994-04-01	-0.8119
1994-07-01	-0.0121
1994-10-01	0.9571
1995-01-01	-0.2698
1995-04-01	-0.0151
1995-07-01	1.0896
1995-10-01	0.6986
1996-01-01	1.9252
1996-04-01	-0.3111
1996-07-01	-0.5473
1996-10-01	0.4288
1997-01-01	2.2491
1997-04-01	-0.4451
1997-07-01	0.0939
1997-10-01	2.0078
1998-01-01	-0.0803
1998-04-01	1.3879
1998-07-01	0.4805
1998-10-01	0.3393
1999-01-01	0.8892
1999-04-01	3.2684
1999-07-01	0.7712
1999-10-01	2.5621
2000-01-01	2.0791
2000-04-01	0.7598
2000-07-01	0.7155
2000-10-01	2.4293
2001-01-01	2.7791
2001-04-01	3.8436
2001-07-01	-3.6106
2001-10-01	0.3737
2002-01-01	2.2879
2002-04-01	5.5035
2002-07-01	-0.1572
2002-10-01	-0.7746
2003-01-01	8.8192
2003-04-01	4.9178
2003-07-01	-3.6238
2003-10-01	6.5509
2004-01-01	-2.2238
2004-04-01	2.8315
2004-07-01	2.7238
2004-10-01	10.3602
2005-01-01	3.8089
2005-04-01	12.9875
2005-07-01	5.6067
2005-10-01	6.4487
2006-01-01	8.6091
2006-04-01	-3.7102
2006-07-01	-1.7556
2006-10-01	3.1732
2007-01-01	14.6362
2007-04-01	1.2535
2007-07-01	-26.1582
2007-10-01	-7.3830
2008-01-01	17.6607
2008-04-01	-1.7428
2008-07-01	-18.8340
2008-10-01	32.9751
2009-01-01	-6.7837
2009-04-01	-9.3913
2009-07-01	-3.6968
2009-10-01	-15.1545
2010-01-01	3.1860
2010-04-01	-9.8969
2010-07-01	1.5271
2010-10-01	3.1015
2011-01-01	18.5028
2011-04-01	6.3528
2011-07-01	1.9382
2011-10-01	11.9339
2012-01-01	7.5859
2012-04-01	-15.9731
2012-07-01	-6.4856
2012-10-01	0.0414
2013-01-01	10.3463
2013-04-01	-0.1954
2013-07-01	0.9265
2013-10-01	-10.5608
2014-01-01	1.5074
2014-04-01	2.4082
2014-07-01	-0.4324
2014-10-01	1.6074
2015-01-01	4.2128
2015-04-01	-6.5775