Frequencies for first 10,000 rows of rnifla_7 variable in mort1975 dataset :

   rnifla_7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        264        2.64        2.64
          1 |         27        0.27        2.91
          . |      9,709       97.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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