Frequencies for first 10,000 rows of dfagerpt variable in natlterr1999 dataset :

   Reported |
     Age of |
     Father |      Freq.     Percent        Cum.
------------+-----------------------------------
         17 |          1        0.01        0.01
         18 |          4        0.04        0.05
         19 |          3        0.03        0.08
         20 |          8        0.08        0.16
         21 |          5        0.05        0.21
         22 |          8        0.08        0.29
         23 |          7        0.07        0.36
         24 |          2        0.02        0.38
         25 |          6        0.06        0.44
         26 |          8        0.08        0.52
         27 |          4        0.04        0.56
         28 |          6        0.06        0.62
         29 |          3        0.03        0.65
         30 |          4        0.04        0.69
         31 |          4        0.04        0.73
         32 |          4        0.04        0.77
         33 |          3        0.03        0.80
         34 |          3        0.03        0.83
         35 |          2        0.02        0.85
         36 |          2        0.02        0.87
         38 |          3        0.03        0.90
         39 |          1        0.01        0.91
         40 |          1        0.01        0.92
         41 |          1        0.01        0.93
         47 |          1        0.01        0.94
         48 |          1        0.01        0.95
         55 |          1        0.01        0.96
         99 |      9,904       99.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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