Quarter	Billions of US Dollars
1993-10-01	-0.42830
1996-07-01	0.40000
2001-01-01	-0.30000
2004-01-01	1.00000
2005-04-01	1.00000
2005-10-01	1.50000
2006-01-01	2.00000
2006-07-01	-0.40000
2007-01-01	1.50000
2008-01-01	2.00000
2008-04-01	2.20000
2009-01-01	5.00000
2009-04-01	0.65000
2009-07-01	0.35864
2010-01-01	2.00000
2010-10-01	0.64388
2011-04-01	2.50000
2012-01-01	3.50000
2012-04-01	2.50000
2012-10-01	0.76412
2013-04-01	3.00000
2013-07-01	1.00000
2014-01-01	2.70000
2014-04-01	-1.65000
2014-07-01	2.73540
2014-10-01	0.07319
2015-01-01	6.03085
2015-04-01	-0.99779