Frequencies for slrf_ndx variable in fmli132 dataset :

   slrf_ndx |      Freq.     Percent        Cum.
------------+-----------------------------------
          A |      4,844       71.64       71.64
          C |        396        5.86       77.49
          D |      1,456       21.53       99.02
          T |         66        0.98      100.00
------------+-----------------------------------
      Total |      6,762      100.00

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