Frequencies for first 10,000 rows of dfagerpt variable in natlterr1998 dataset :

   Reported |
     Age of |
     Father |      Freq.     Percent        Cum.
------------+-----------------------------------
         17 |          1        0.01        0.01
         18 |          4        0.04        0.05
         19 |          5        0.05        0.10
         20 |          3        0.03        0.13
         21 |          6        0.06        0.19
         22 |          7        0.07        0.26
         23 |          6        0.06        0.32
         24 |         10        0.10        0.42
         25 |          9        0.09        0.51
         26 |         11        0.11        0.62
         27 |          5        0.05        0.67
         28 |          8        0.08        0.75
         29 |          5        0.05        0.80
         30 |          2        0.02        0.82
         31 |          2        0.02        0.84
         32 |          4        0.04        0.88
         33 |          1        0.01        0.89
         34 |          2        0.02        0.91
         36 |          1        0.01        0.92
         37 |          1        0.01        0.93
         38 |          2        0.02        0.95
         40 |          1        0.01        0.96
         41 |          3        0.03        0.99
         42 |          3        0.03        1.02
         44 |          1        0.01        1.03
         46 |          1        0.01        1.04
         60 |          1        0.01        1.05
         64 |          1        0.01        1.06
         65 |          1        0.01        1.07
         99 |      9,893       98.93      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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