Frequencies for first 10,000 rows of rnifla_5 variable in mort1975 dataset :

   rnifla_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,684       16.84       16.84
          1 |        103        1.03       17.87
          . |      8,213       82.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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