Frequencies for first 10,000 rows of fagecomb variable in natlterr2010 dataset :

   Father's |
   Combined |
        Age |
(Revised) R |      Freq.     Percent        Cum.
------------+-----------------------------------
         14 |          1        0.01        0.01
         15 |          5        0.05        0.06
         16 |         20        0.20        0.26
         17 |         42        0.42        0.68
         18 |        104        1.04        1.72
         19 |        184        1.84        3.56
         20 |        225        2.25        5.81
         21 |        261        2.61        8.42
         22 |        246        2.46       10.88
         23 |        288        2.88       13.76
         24 |        263        2.63       16.39
         25 |        244        2.44       18.83
         26 |        237        2.37       21.20
         27 |        256        2.56       23.76
         28 |        245        2.45       26.21
         29 |        259        2.59       28.80
         30 |        245        2.45       31.25
         31 |        205        2.05       33.30
         32 |        200        2.00       35.30
         33 |        207        2.07       37.37
         34 |        199        1.99       39.36
         35 |        149        1.49       40.85
         36 |        157        1.57       42.42
         37 |        135        1.35       43.77
         38 |        123        1.23       45.00
         39 |        101        1.01       46.01
         40 |         80        0.80       46.81
         41 |         68        0.68       47.49
         42 |         47        0.47       47.96
         43 |         59        0.59       48.55
         44 |         40        0.40       48.95
         45 |         29        0.29       49.24
         46 |         37        0.37       49.61
         47 |         25        0.25       49.86
         48 |         15        0.15       50.01
         49 |         22        0.22       50.23
         50 |         11        0.11       50.34
         51 |          8        0.08       50.42
         52 |          9        0.09       50.51
         53 |          3        0.03       50.54
         54 |          7        0.07       50.61
         55 |          4        0.04       50.65
         56 |          8        0.08       50.73
         57 |          5        0.05       50.78
         58 |          2        0.02       50.80
         59 |          3        0.03       50.83
         60 |          2        0.02       50.85
         61 |          1        0.01       50.86
         62 |          2        0.02       50.88
         68 |          1        0.01       50.89
         69 |          1        0.01       50.90
         75 |          1        0.01       50.91
         99 |        253        2.53       53.44
          . |      4,656       46.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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