Frequencies for first 10,000 rows of fage11 variable in natl1997 dataset :

     Age of |
     Father |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.01        0.01
          2 |        356        3.56        3.57
          3 |      1,598       15.98       19.55
          4 |      2,247       22.47       42.02
          5 |      1,872       18.72       60.74
          6 |        969        9.69       70.43
          7 |        321        3.21       73.64
          8 |         83        0.83       74.47
          9 |         42        0.42       74.89
         10 |         11        0.11       75.00
         11 |      2,500       25.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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