,Instrument,"Federal funds"
  ,Maturity,"Overnight"
  ,Frequency,"Annual"
  ,Description,"Federal funds effective rate"
  ,Note,"The daily effective federal funds rate is a weighted average of rates on brokered trades."
  ,Note,"Weekly figures are averages of 7 calendar days ending on Wednesday of the current week; monthly figures include each calendar day in the month."
  ,Note,"Annualized using a 360-day year or bank interest."


DATE      , FFO
1955, 1.79
1956, 2.73
1957, 3.11
1958, 1.57
1959, 3.31
1960, 3.21
1961, 1.95
1962, 2.71
1963, 3.18
1964, 3.50
1965, 4.07
1966, 5.11
1967, 4.22
1968, 5.66
1969, 8.21
1970, 7.17
1971, 4.67
1972, 4.44
1973, 8.74
1974, 10.51
1975, 5.82
1976, 5.05
1977, 5.54
1978, 7.94
1979, 11.20
1980, 13.35
1981, 16.39
1982, 12.24
1983, 9.09
1984, 10.23
1985, 8.10
1986, 6.80
1987, 6.66
1988, 7.57
1989, 9.21
1990, 8.10
1991, 5.69
1992, 3.52
1993, 3.02
1994, 4.21
1995, 5.83
1996, 5.30
1997, 5.46
1998, 5.35
1999, 4.97
2000, 6.24
2001, 3.88
2002, 1.67
2003, 1.13
2004, 1.35
2005, 3.22
2006, 4.97
2007, 5.02
2008, 1.92