Quarter	Billions of US Dollars
2002-10-01	0.00720
2003-01-01	0.00080
2003-04-01	0.00860
2003-07-01	0.00744
2003-10-01	0.00003
2004-01-01	0.00337
2004-04-01	0.04000
2004-07-01	0.00004
2004-10-01	0.00004
2005-01-01	0.00004
2005-04-01	0.00003
2005-07-01	-0.00464
2006-10-01	-0.00800
2007-01-01	0.00000
2007-04-01	0.00000
2007-10-01	0.10000
2008-01-01	-0.00339
2008-04-01	-0.04516
2009-01-01	-0.00331
2009-04-01	-0.00342
2012-10-01	1.30000
2014-04-01	1.60000