Quarter	Billions of US Dollars
1995-10-01	0.03335
1996-01-01	-0.00465
1996-04-01	0.04630
1996-07-01	-0.01000
1996-10-01	-0.02000
1997-01-01	0.03000
1997-04-01	0.07000
1997-07-01	0.15150
1997-10-01	0.02600
1998-01-01	-0.04728
1998-04-01	-0.08600
1998-07-01	-0.10422
1998-10-01	-0.06350
1999-01-01	-0.00600
1999-04-01	-0.00500
1999-07-01	-0.01050
2002-10-01	0.02500
2003-01-01	0.10000
2003-07-01	-0.02500
2003-10-01	0.05155
2004-01-01	0.07045
2004-04-01	0.22995
2004-07-01	0.14500
2004-10-01	0.02485
2005-01-01	-0.06630
2005-04-01	0.12000
2005-07-01	-0.30350
2005-10-01	0.05401
2006-01-01	0.73663
2006-04-01	0.07935
2006-07-01	0.28147
2006-10-01	-0.45000
2007-01-01	-0.38232
2007-04-01	0.38026
2007-07-01	-0.29219
2007-10-01	1.11753
2008-01-01	0.37521
2008-04-01	0.22496
2008-07-01	0.03820
2008-10-01	-0.58428
2009-01-01	-0.16521
2009-04-01	-0.04463
2009-07-01	0.55990
2009-10-01	-0.58578
2010-01-01	0.00430
2010-04-01	0.09000
2010-07-01	-0.13129
2010-10-01	-0.29383
2011-01-01	0.00850
2011-04-01	0.35546
2011-07-01	-0.03000
2011-10-01	-0.15812
2012-01-01	1.48666
2012-04-01	-0.03797
2012-07-01	1.02738
2012-10-01	-1.85553
2013-01-01	0.14038
2013-04-01	0.24546
2013-07-01	-0.01315
2013-10-01	-0.78348
2014-01-01	-0.40006
2014-04-01	-0.24462
2014-07-01	-0.37229
2014-10-01	1.38366
2015-01-01	0.00804
2015-04-01	-0.20491