Quarter	Billions of US Dollars
1994-07-01	0.51988
1997-07-01	0.19809
1998-01-01	-0.00191
1998-07-01	0.01059
1999-01-01	-0.00191
1999-07-01	-0.00191
2000-01-01	-0.00816
2000-07-01	-0.00816
2001-01-01	-0.00989
2001-07-01	0.49011
2002-01-01	-0.00989
2002-07-01	-0.00989
2002-10-01	0.02500
2003-01-01	0.59011
2003-07-01	-0.00989
2004-01-01	-0.00989
2004-07-01	-0.20989
2005-01-01	-0.00989
2005-04-01	-1.03007
2005-07-01	-0.04653
2005-10-01	0.13500
2006-01-01	0.29011
2006-07-01	-0.02965
2006-10-01	0.25000
2007-01-01	0.42068
2007-07-01	-0.00989
2008-01-01	-0.00989
2008-07-01	-0.00989
2009-01-01	-0.05989
2009-07-01	-0.00986
2010-04-01	0.75000
2010-10-01	0.12400
2011-01-01	0.04000
2011-07-01	0.50000
2011-10-01	0.25000
2012-01-01	-0.14682
2012-04-01	-0.20500
2012-10-01	0.55000
2013-01-01	0.28647
2013-04-01	1.00005
2013-10-01	0.25000
2014-01-01	-0.00005
2014-04-01	1.25000
2014-07-01	0.25000
2015-01-01	2.50000
2015-04-01	1.00000