Quarter	Billions of US Dollars
1994-07-01	0.03700
1994-10-01	-0.02200
1995-01-01	-0.01500
1996-04-01	0.01000
1996-10-01	-0.01000
1997-10-01	0.01000
1998-07-01	0.00500
1999-04-01	-0.01500
2003-10-01	0.00937
2004-04-01	0.06031
2004-07-01	-0.00038
2004-10-01	0.00003
2005-01-01	0.00187
2005-04-01	0.00059
2005-07-01	-0.01178
2005-10-01	0.01600
2006-10-01	0.00400
2007-04-01	0.08500
2008-01-01	-0.00500
2008-04-01	-0.01000
2012-04-01	-0.15000