Quarter	Billions of US Dollars
1993-07-01	0.02000
1993-10-01	-0.02000
1994-01-01	0.14626
1994-04-01	0.06909
1994-07-01	0.23699
1994-10-01	0.09119
1995-01-01	-0.29283
1995-04-01	-0.17541
1995-07-01	-0.00824
1995-10-01	-0.06705
1996-04-01	0.18605
1996-07-01	0.09469
1996-10-01	0.00781
1997-01-01	0.00709
1997-04-01	-0.00431
1997-07-01	-0.03329
1997-10-01	-0.02200
1998-01-01	0.13864
1998-04-01	0.03136
1998-07-01	-0.00798
1998-10-01	0.36064
1999-01-01	0.51475
1999-04-01	-0.07669
1999-07-01	-0.05520
1999-10-01	0.57645
2000-01-01	-0.55635
2000-04-01	-0.05062
2000-07-01	-0.02010
2000-10-01	-0.75461
2001-04-01	0.28361
2001-07-01	0.06962
2001-10-01	-0.13268
2002-01-01	-0.06332
2002-04-01	0.12847
2002-07-01	-0.19599
2002-10-01	0.24916
2003-01-01	-0.26829
2003-04-01	-0.01282
2003-07-01	0.11240
2003-10-01	-0.05006
2004-04-01	-0.12010
2004-07-01	0.24400
2004-10-01	-0.25878
2005-01-01	-0.12961
2005-04-01	0.00059
2005-07-01	-0.25565
2005-10-01	0.00300
2006-01-01	0.00400
2006-04-01	0.00450
2006-07-01	0.01300
2006-10-01	0.01075
2007-01-01	0.00448
2007-04-01	0.04698
2007-07-01	-0.02944
2007-10-01	0.01268
2008-01-01	-0.00769
2008-04-01	-0.01006
2008-07-01	-0.01750
2008-10-01	-0.01870
2009-01-01	-0.01150
2009-04-01	0.01126
2009-07-01	-0.00502
2009-10-01	-0.00354
2010-01-01	-0.00357
2010-04-01	-0.00363
2011-01-01	0.00081
2011-04-01	0.02189
2011-07-01	-0.00803
2011-10-01	-0.01436
2012-01-01	0.00294
2012-04-01	-0.00219
2012-07-01	-0.00106
2012-10-01	0.00073
2013-01-01	0.00307
2013-04-01	0.00712
2013-07-01	-7.80917
2013-10-01	0.01605
2014-01-01	0.04893
2014-04-01	-0.03431
2014-07-01	0.00001
2014-10-01	-0.01599
2015-01-01	-0.02546