Quarter	Billions of US Dollars
1994-07-01	0.00750
1994-10-01	-0.10868
1995-01-01	-0.05194
1995-04-01	-0.10344
1995-07-01	0.01381
1996-04-01	0.11052
1996-07-01	-0.17728
1996-10-01	0.18567
1997-07-01	0.50000
1999-04-01	0.05000
1999-07-01	0.01543
1999-10-01	1.03808
2000-04-01	0.06123
2001-01-01	0.92280
2001-04-01	-0.00725
2001-07-01	0.11481
2001-10-01	0.35561
2002-01-01	0.25239
2002-04-01	-0.09000
2002-07-01	-0.30882
2002-10-01	0.35816
2003-01-01	-0.36561
2003-04-01	0.50684
2003-07-01	-0.21862
2003-10-01	-0.02945
2004-01-01	-0.08753
2004-04-01	1.07749
2004-07-01	-0.15884
2004-10-01	0.02924
2005-01-01	1.12015
2005-04-01	-0.09442
2005-07-01	-0.32312
2005-10-01	0.33988
2006-01-01	-0.58415
2006-04-01	0.38933
2006-07-01	-0.20639
2006-10-01	2.45345
2007-01-01	-0.70235
2007-04-01	0.77518
2007-07-01	-0.51578
2007-10-01	0.39494
2008-01-01	0.38890
2008-04-01	-0.48730
2008-07-01	0.37497
2008-10-01	0.80863
2009-01-01	0.14124
2009-04-01	0.16945
2009-07-01	-0.00069
2009-10-01	0.23812
2010-04-01	-0.29666
2010-07-01	0.49103
2010-10-01	0.07283
2011-01-01	-1.53327
2011-04-01	-1.54287
2011-07-01	-0.39082
2011-10-01	0.32460
2012-01-01	-0.16906
2012-04-01	0.03846
2012-07-01	0.03563
2012-10-01	1.32213
2013-01-01	0.53082
2013-04-01	0.57868
2013-07-01	-0.00477
2013-10-01	-0.45245
2014-01-01	0.06300
2014-04-01	0.66940
2014-07-01	0.66207
2014-10-01	-0.26167
2015-01-01	-0.86647
2015-04-01	0.31457