,Instrument,"U.S. government securities/Treasury bills (secondary market)"
  ,Maturity,"4-week"
  ,Frequency,"Monthly"
  ,Description,"4-week Treasury bill secondary market rate discount basis"
  ,Note,"Annualized using a 360-day year or bank interest."
  ,Note,"On a discount basis."


DATE      , TBWK4
07/2001, 3.61
08/2001, 3.48
09/2001, 2.63
10/2001, 2.24
11/2001, 1.96
12/2001, 1.69
01/2002, 1.65
02/2002, 1.71
03/2002, 1.76
04/2002, 1.69
05/2002, 1.71
06/2002, 1.69
07/2002, 1.69
08/2002, 1.66
09/2002, 1.65
10/2002, 1.60
11/2002, 1.24
12/2002, 1.18
01/2003, 1.15
02/2003, 1.18
03/2003, 1.16
04/2003, 1.14
05/2003, 1.06
06/2003, 0.96
07/2003, 0.88
08/2003, 0.93
09/2003, 0.89
10/2003, 0.89
11/2003, 0.92
12/2003, 0.87
01/2004, 0.83
02/2004, 0.90
03/2004, 0.95
04/2004, 0.89
05/2004, 0.89
06/2004, 1.02
07/2004, 1.16
08/2004, 1.35
09/2004, 1.52
10/2004, 1.60
11/2004, 1.88
12/2004, 1.92
01/2005, 1.99
02/2005, 2.32
03/2005, 2.60
04/2005, 2.59
05/2005, 2.59
06/2005, 2.78
07/2005, 3.04
08/2005, 3.28
09/2005, 3.16
10/2005, 3.44
11/2005, 3.84
12/2005, 3.61
01/2006, 4.03
02/2006, 4.31
03/2006, 4.47
04/2006, 4.52
05/2006, 4.61
06/2006, 4.62
07/2006, 4.80
08/2006, 5.08
09/2006, 4.68
10/2006, 4.88
11/2006, 5.13
12/2006, 4.78
01/2007, 4.84
02/2007, 5.09
03/2007, 5.11
04/2007, 4.89
05/2007, 4.72
06/2007, 4.42
07/2007, 4.71
08/2007, 4.11
09/2007, 3.70
10/2007, 3.72
11/2007, 3.63
12/2007, 2.79
01/2008, 2.68
02/2008, 2.23
03/2008, 1.34
04/2008, 1.04
05/2008, 1.73
06/2008, 1.69
07/2008, 1.58
08/2008, 1.65
09/2008, 0.86
10/2008, 0.26
11/2008, 0.09
12/2008, 0.03