Frequencies for fedr_ndx variable in fmli132 dataset :

   fedr_ndx |      Freq.     Percent        Cum.
------------+-----------------------------------
          A |      3,825       56.57       56.57
          C |        529        7.82       64.39
          D |      2,339       34.59       98.98
          T |         69        1.02      100.00
------------+-----------------------------------
      Total |      6,762      100.00

by Jean Roth , jroth@nber.org , 17 Mar 2016