Quarter	Billions of US Dollars
1993-10-01	0.10000
1994-10-01	-0.05059
1995-07-01	0.04686
1995-10-01	0.15000
1996-01-01	0.05000
1996-04-01	-0.02647
1996-07-01	0.15000
1997-07-01	0.25000
1997-10-01	0.04000
1999-07-01	0.10000
2001-07-01	-0.15000
2002-04-01	0.10000
2002-07-01	-0.10000
2002-10-01	-0.15000
2003-01-01	-0.07000
2004-04-01	-0.10000
2004-07-01	-0.19000
2005-01-01	0.12507
2005-07-01	0.50000
2006-07-01	-0.10000
2006-10-01	0.10000
2007-01-01	0.12387
2008-10-01	1.00000
2009-07-01	-0.10000
2010-01-01	-0.14340
2010-07-01	-0.50000
2011-01-01	0.70000
2011-04-01	0.45000
2011-10-01	-0.10000
2012-01-01	0.02995
2012-10-01	0.30000
2013-04-01	0.48416
2014-01-01	0.50000
2014-07-01	-0.45000
2015-01-01	0.20000