Frequencies for first 10,000 rows of fage11 variable in natl1976 dataset :

     Age of |
     Father |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        476        4.76        4.76
          3 |      2,500       25.00       29.76
          4 |      2,761       27.61       57.37
          5 |      1,281       12.81       70.18
          6 |        544        5.44       75.62
          7 |        224        2.24       77.86
          8 |         99        0.99       78.85
          9 |         34        0.34       79.19
         10 |         13        0.13       79.32
         11 |      2,068       20.68      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016