Frequencies for first 10,000 rows of fage11 variable in natl1970 dataset :

     Age of |
     Father |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        553        5.53        5.53
          3 |      2,792       27.92       33.45
          4 |      2,548       25.48       58.93
          5 |      1,311       13.11       72.04
          6 |        635        6.35       78.39
          7 |        350        3.50       81.89
          8 |        129        1.29       83.18
          9 |         48        0.48       83.66
         10 |         53        0.53       84.19
         11 |      1,581       15.81      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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