Quarter	Billions of US Dollars
1993-10-01	0.08941
1994-01-01	0.09695
1994-04-01	0.10096
1994-07-01	0.10157
1994-10-01	0.10026
1995-01-01	0.11192
1995-04-01	0.11820
1995-07-01	0.10173
1995-10-01	0.09725
1996-01-01	0.09409
1996-04-01	0.09139
1996-07-01	0.19011
1996-10-01	0.18621
1997-01-01	0.18061
1997-04-01	0.18741
1997-07-01	0.18264
1997-10-01	0.17695
1998-01-01	0.17573
1998-04-01	0.17100
1998-07-01	0.17394
1998-10-01	0.18651
1999-01-01	0.18306
1999-04-01	0.18258
1999-07-01	0.19359
1999-10-01	0.19785
2000-01-01	0.19447
2000-04-01	0.19488
2000-07-01	0.19272
2000-10-01	0.10000
2001-01-01	0.10000
2001-04-01	0.10000
2005-01-01	0.60000
2005-04-01	0.60000
2005-07-01	0.60000
2005-10-01	0.60000
2006-01-01	0.60000
2006-04-01	0.60000
2006-07-01	0.60000
2006-10-01	0.60000
2007-01-01	0.60000
2007-04-01	0.60000
2007-07-01	0.60000
2007-10-01	0.60000
2008-01-01	0.60000
2008-04-01	0.60000
2008-07-01	0.60000
2008-10-01	0.60000
2009-01-01	0.60000
2009-04-01	0.60000
2009-07-01	0.60000
2009-10-01	0.60000