Frequencies for first 10,000 rows of fage11 variable in natl1980 dataset :

     Age of |
     Father |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        394        3.94        3.94
          3 |      2,228       22.28       26.22
          4 |      2,654       26.54       52.76
          5 |      1,624       16.24       69.00
          6 |        585        5.85       74.85
          7 |        178        1.78       76.63
          8 |         74        0.74       77.37
          9 |         22        0.22       77.59
         10 |         19        0.19       77.78
         11 |      2,222       22.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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