Quarter	Billions of US Dollars
1994-10-01	0.01774
1995-01-01	-0.01066
1995-04-01	0.06494
1995-07-01	-0.03522
1995-10-01	0.00072
1996-01-01	-0.01878
1996-04-01	0.01530
1996-07-01	0.02557
1996-10-01	0.09170
1997-01-01	0.11615
1997-04-01	-0.14385
1997-07-01	0.13230
1997-10-01	-0.22830
1998-01-01	0.06857
1998-04-01	0.05084
1998-07-01	-0.06442
1998-10-01	-0.06543
1999-01-01	0.05644
1999-07-01	0.09307
1999-10-01	0.01368
2000-01-01	-0.10024
2000-04-01	-0.02595
2000-07-01	-0.00291
2000-10-01	-0.00786
2001-01-01	0.01463
2001-04-01	0.00125
2001-07-01	0.08547
2001-10-01	-0.03468
2002-01-01	-0.06074
2002-04-01	0.00421
2002-07-01	0.77023
2002-10-01	0.17217
2003-01-01	-0.12753
2003-04-01	0.10345
2003-07-01	-0.77283
2003-10-01	0.59576
2004-01-01	-0.10882
2004-04-01	-0.48300
2004-07-01	0.15517
2004-10-01	0.25421
2005-01-01	0.71984
2005-04-01	0.06100
2005-07-01	0.03713
2005-10-01	-0.65611
2006-01-01	-0.31902
2006-04-01	-0.24743
2006-07-01	0.34063
2006-10-01	0.92432
2007-01-01	1.16993
2007-04-01	-0.01700
2007-07-01	-1.69049
2007-10-01	-0.83196
2008-01-01	-0.09771
2008-04-01	0.06224
2008-07-01	-0.00011
2008-10-01	0.51817
2009-01-01	-0.28445
2009-04-01	0.13528
2009-07-01	0.40268
2009-10-01	-0.42050
2010-01-01	0.42909
2010-04-01	-0.44347
2010-07-01	-0.31653
2010-10-01	0.22125
2011-01-01	1.31523
2011-04-01	0.59172
2011-07-01	1.16875
2011-10-01	0.22323
2012-01-01	0.65812
2012-04-01	-1.09383
2012-07-01	-0.16229
2012-10-01	-0.03255
2013-01-01	-1.19002
2013-04-01	-1.09689
2013-07-01	2.46184
2013-10-01	-1.77426
2014-01-01	0.85953
2014-04-01	-0.78359
2014-07-01	0.70230
2014-10-01	-0.96353
2015-01-01	-0.12886
2015-04-01	-0.40015