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

      ranum |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,044       10.44       10.44
          2 |      2,401       24.01       34.45
          3 |      2,791       27.91       62.36
          4 |      1,977       19.77       82.13
          5 |      1,020       10.20       92.33
          6 |        476        4.76       97.09
          7 |        172        1.72       98.81
          8 |         79        0.79       99.60
          9 |         24        0.24       99.84
         10 |         13        0.13       99.97
         11 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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