Quarter	Billions of US Dollars
1992-07-01	-0.05000
2002-01-01	0.45000
2003-10-01	0.20000
2005-01-01	-0.45000
2005-07-01	0.69633
2005-10-01	0.06823
2006-01-01	0.51523
2006-04-01	-0.69845
2006-07-01	-0.43014
2006-10-01	0.12180
2007-01-01	-0.00936
2007-04-01	0.11150
2007-07-01	-0.19360
2007-10-01	-0.10474
2008-01-01	0.05437
2008-04-01	-0.03905
2008-07-01	-0.00900
2008-10-01	-0.30104
2009-01-01	-0.02343
2012-04-01	0.08910
2012-07-01	-0.03127
2012-10-01	-0.05743
2013-07-01	0.03219
2014-07-01	0.46734