Quarter	Billions of US Dollars
1993-10-01	0.04420
1994-01-01	0.11703
1994-04-01	-0.02614
1994-10-01	0.03410
1995-04-01	-0.12929
1995-07-01	-0.12960
1996-01-01	-0.04242
1996-04-01	-0.09897
1996-07-01	0.00991
1996-10-01	-0.13917
1997-01-01	-0.15810
1997-04-01	-0.00598
1997-07-01	0.03487
1998-01-01	0.00891
1998-07-01	-0.05988
1999-04-01	-0.02628
1999-07-01	-0.00663
2000-04-01	-0.05711
2000-10-01	0.38100
2001-01-01	-0.00573
2002-01-01	0.26516
2002-04-01	0.16814
2002-07-01	-0.07444
2003-04-01	0.00269
2003-07-01	0.31584
2003-10-01	1.06706
2004-01-01	2.15927
2004-04-01	0.94097
2004-07-01	0.07624
2004-10-01	0.76003
2005-01-01	0.58567
2005-04-01	0.71974
2005-07-01	-0.09232
2005-10-01	0.00592
2006-01-01	-0.49247
2006-04-01	1.43553
2006-07-01	0.04003
2006-10-01	1.40643
2007-01-01	1.28627
2007-04-01	6.41711
2007-07-01	3.08305
2007-10-01	2.16937
2008-01-01	2.52172
2008-04-01	5.47627
2008-07-01	1.37443
2008-10-01	2.75343
2009-01-01	-3.34756
2009-04-01	0.65610
2009-07-01	1.55362
2009-10-01	1.84474
2010-01-01	0.80165
2010-04-01	-0.53512
2010-07-01	1.83293
2010-10-01	-0.17801
2011-01-01	1.25795
2011-04-01	-1.78177
2011-07-01	1.04858
2011-10-01	1.74656
2012-01-01	-0.65366
2012-04-01	-2.35810
2012-07-01	-0.14758
2012-10-01	-2.36945
2013-01-01	-0.11697
2013-04-01	-0.45960
2013-07-01	-0.07439
2013-10-01	-0.37465
2014-01-01	0.67489
2014-04-01	-0.47901
2014-07-01	-0.92642
2014-10-01	-1.20013
2015-01-01	-0.81243
2015-04-01	0.60197