Frequencies for first 10,000 rows of enicon_11 variable in mort1975 dataset :

  enicon_11 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,993       99.93       99.93
        323 |          1        0.01       99.94
       4409 |          2        0.02       99.96
        514 |          1        0.01       99.97
       5990 |          1        0.01       99.98
       6821 |          1        0.01       99.99
       7960 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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