Frequencies for first 10,000 rows of eniflag8 variable in mort1975 dataset :

   eniflag8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        162        1.62        1.62
          1 |          2        0.02        1.64
          . |      9,836       98.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015