Frequencies for first 10,000 rows of dfagerpt variable in natlterr2000 dataset :

   Reported |
     Age of |
     Father |      Freq.     Percent        Cum.
------------+-----------------------------------
         15 |          1        0.01        0.01
         17 |          2        0.02        0.03
         18 |          2        0.02        0.05
         19 |          3        0.03        0.08
         20 |          7        0.07        0.15
         21 |          4        0.04        0.19
         22 |          2        0.02        0.21
         23 |          6        0.06        0.27
         24 |          3        0.03        0.30
         25 |          7        0.07        0.37
         26 |          3        0.03        0.40
         27 |          3        0.03        0.43
         28 |          3        0.03        0.46
         29 |          3        0.03        0.49
         30 |          3        0.03        0.52
         31 |          3        0.03        0.55
         32 |          2        0.02        0.57
         33 |          1        0.01        0.58
         34 |          2        0.02        0.60
         35 |          3        0.03        0.63
         36 |          1        0.01        0.64
         38 |          1        0.01        0.65
         39 |          1        0.01        0.66
         40 |          2        0.02        0.68
         42 |          1        0.01        0.69
         43 |          1        0.01        0.70
         44 |          1        0.01        0.71
         47 |          1        0.01        0.72
         53 |          1        0.01        0.73
         54 |          3        0.03        0.76
         58 |          1        0.01        0.77
         99 |      9,923       99.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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