Frequencies for first 10,000 rows of fage11 variable in natl1987 dataset :

     Age of |
     Father |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        225        2.25        2.25
          3 |      1,641       16.41       18.66
          4 |      2,574       25.74       44.40
          5 |      1,646       16.46       60.86
          6 |        736        7.36       68.22
          7 |        234        2.34       70.56
          8 |         69        0.69       71.25
          9 |         20        0.20       71.45
         10 |         14        0.14       71.59
         11 |      2,841       28.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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