Quarter	Billions of US Dollars
1993-07-01	0.2872
1993-10-01	-0.1131
1994-01-01	0.9018
1994-04-01	0.0793
1994-07-01	0.1997
1994-10-01	-0.2372
1995-01-01	0.0456
1995-04-01	0.1514
1995-07-01	-0.1642
1995-10-01	-0.0609
1996-01-01	0.2967
1996-04-01	-0.0282
1996-07-01	-0.0038
1996-10-01	-0.1007
1997-01-01	-0.4136
1997-04-01	0.0172
1997-07-01	0.0167
1997-10-01	-0.0167
1998-01-01	1.0265
1998-04-01	0.8073
1998-07-01	0.7173
1998-10-01	1.0651
1999-01-01	-0.6722
1999-04-01	-0.0254
1999-07-01	0.3154
1999-10-01	0.4782
2000-01-01	0.6394
2000-04-01	0.1668
2000-07-01	-0.1185
2000-10-01	0.5414
2001-01-01	0.3529
2001-04-01	0.5890
2001-07-01	-0.0816
2001-10-01	0.5142
2002-01-01	0.2834
2002-04-01	0.3729
2002-07-01	0.1748
2002-10-01	0.1712
2003-01-01	0.9278
2003-04-01	0.2317
2003-07-01	0.6895
2003-10-01	0.1797
2004-01-01	0.2747
2004-04-01	0.7601
2004-07-01	0.7864
2004-10-01	1.3891
2005-01-01	0.6960
2005-04-01	2.1375
2005-07-01	1.1734
2005-10-01	1.8180
2006-01-01	0.6682
2006-04-01	0.9323
2006-07-01	1.6351
2006-10-01	3.9745
2007-01-01	1.3423
2007-04-01	4.5770
2007-07-01	0.9827
2007-10-01	2.3072
2008-01-01	0.6628
2008-04-01	5.4932
2008-07-01	0.9881
2008-10-01	3.5740
2009-01-01	11.4366
2009-04-01	2.7446
2009-07-01	0.1892
2009-10-01	-0.3736
2010-01-01	2.2173
2010-04-01	1.6982
2010-07-01	5.1125
2010-10-01	6.8631
2011-01-01	3.4107
2011-04-01	2.6525
2011-07-01	6.0597
2011-10-01	3.8161
2012-01-01	7.2654
2012-04-01	3.1390
2012-07-01	1.1408
2012-10-01	3.0302
2013-01-01	4.2313
2013-04-01	0.5827
2013-07-01	0.2337
2013-10-01	-1.1278
2014-01-01	1.2737
2014-04-01	-4.0059
2014-07-01	-1.0908
2014-10-01	3.0774
2015-01-01	0.9998
2015-04-01	5.1489