Quarter	Billions of US Dollars
1994-01-01	0.00003
1994-10-01	0.03570
1995-01-01	0.07290
1995-10-01	0.20676
1996-01-01	0.12915
1996-04-01	0.18119
1996-07-01	0.14850
1996-10-01	0.22204
1997-01-01	0.70987
1997-04-01	0.12213
1997-07-01	0.13465
1997-10-01	-0.04465
1998-01-01	-0.01728
1998-04-01	0.25419
1998-07-01	0.12721
1998-10-01	-0.26401
1999-01-01	-0.15837
1999-04-01	0.10993
1999-07-01	0.02375
1999-10-01	-0.09391
2000-01-01	0.08364
2000-04-01	0.28678
2000-07-01	0.37967
2000-10-01	0.22597
2001-01-01	0.00968
2001-04-01	0.03173
2001-07-01	0.07292
2001-10-01	0.00706
2002-01-01	0.63343
2002-04-01	0.46344
2002-07-01	0.13998
2002-10-01	0.94686
2003-01-01	0.44106
2003-04-01	0.19935
2003-07-01	0.29554
2003-10-01	0.18649
2004-01-01	0.03957
2004-04-01	-0.11445
2004-07-01	0.05318
2004-10-01	0.59783
2005-01-01	0.43140
2005-04-01	0.85582
2005-07-01	-0.07190
2005-10-01	0.05284
2006-01-01	0.27973
2006-04-01	0.09649
2006-07-01	0.02018
2006-10-01	0.02871
2007-01-01	0.69782
2007-04-01	0.87420
2007-07-01	1.75236
2007-10-01	2.31498
2008-01-01	0.81401
2008-04-01	-0.12585
2008-07-01	-0.23884
2008-10-01	-0.53241
2009-01-01	-0.83880
2009-04-01	-0.35219
2009-07-01	-0.18366
2009-10-01	-0.46127
2010-01-01	-1.02674
2010-04-01	-0.92031
2010-07-01	-0.25495
2010-10-01	-0.40622
2011-01-01	-0.22084
2011-04-01	0.44353
2011-07-01	0.15380
2011-10-01	0.09111
2012-01-01	0.10630
2012-04-01	-0.03932
2012-07-01	-0.07883
2012-10-01	-0.99121
2013-01-01	-0.26816
2013-04-01	-0.39937
2013-07-01	0.53209
2013-10-01	-0.02884
2014-01-01	-0.17886
2014-04-01	-0.17433
2014-07-01	0.15542
2014-10-01	-0.10101
2015-01-01	-1.54455
2015-04-01	-0.79188