Frequencies for first 10,000 rows of eniflag7 variable in mort1975 dataset :

   eniflag7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        365        3.65        3.65
          1 |         14        0.14        3.79
          . |      9,621       96.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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