Frequencies for first 10,000 rows of fage11 variable in natl1979 dataset :

     Age of |
     Father |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        369        3.69        3.69
          3 |      2,247       22.47       26.16
          4 |      2,673       26.73       52.89
          5 |      1,556       15.56       68.45
          6 |        567        5.67       74.12
          7 |        204        2.04       76.16
          8 |         86        0.86       77.02
          9 |         29        0.29       77.31
         10 |         22        0.22       77.53
         11 |      2,247       22.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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