Frequencies for first 10,000 rows of fagerpt variable in natlterr2003 dataset :

   Father's |
   Reported |
    Age U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
         17 |          3        0.03        0.03
         18 |          2        0.02        0.05
         19 |          4        0.04        0.09
         20 |          5        0.05        0.14
         21 |          5        0.05        0.19
         22 |          9        0.09        0.28
         23 |          9        0.09        0.37
         24 |          5        0.05        0.42
         25 |         11        0.11        0.53
         26 |          3        0.03        0.56
         27 |          8        0.08        0.64
         28 |          4        0.04        0.68
         29 |          5        0.05        0.73
         30 |          5        0.05        0.78
         31 |          4        0.04        0.82
         32 |          3        0.03        0.85
         33 |          3        0.03        0.88
         34 |          2        0.02        0.90
         35 |          2        0.02        0.92
         36 |          1        0.01        0.93
         38 |          3        0.03        0.96
         39 |          2        0.02        0.98
         40 |          2        0.02        1.00
         44 |          1        0.01        1.01
         45 |          2        0.02        1.03
         46 |          2        0.02        1.05
         50 |          1        0.01        1.06
         52 |          1        0.01        1.07
         57 |          1        0.01        1.08
         99 |      9,892       98.92      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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