Quarter	Billions of US Dollars
1993-07-01	0.07121
1993-10-01	0.02250
1994-01-01	0.01950
1994-04-01	-0.00600
1994-07-01	-0.04319
1994-10-01	-0.02300
1995-01-01	-0.01500
1995-04-01	-0.00900
1995-10-01	-0.01000
1996-04-01	0.00500
1996-07-01	-0.01000
1997-01-01	0.02000
1997-04-01	-0.00500
1997-07-01	0.00500
1997-10-01	-0.00500
1998-01-01	-0.00500
1998-04-01	0.00500
1998-07-01	-0.01500
1999-01-01	-0.00250
1999-04-01	0.01000
2000-04-01	0.00500
2000-07-01	-0.00500
2001-04-01	-0.00500
2001-07-01	0.01000
2001-10-01	0.02000
2002-01-01	-0.01500
2002-04-01	-0.00500
2002-07-01	-0.01500
2002-10-01	-0.00500
2003-04-01	0.01000
2003-07-01	0.01000
2004-01-01	0.01000
2004-04-01	-0.01000
2004-07-01	-0.02000
2004-10-01	0.01350
2005-01-01	0.02000
2005-04-01	-0.02000
2005-07-01	0.02000
2005-10-01	-0.01350
2006-07-01	0.01000
2006-10-01	-0.02000
2007-07-01	-0.01000
2007-10-01	0.07500
2008-01-01	0.02500
2008-04-01	-0.04500
2008-07-01	-0.05500
2012-01-01	0.14670
2013-01-01	-0.14670
2013-10-01	0.10000
2014-10-01	-0.10000