Frequencies for first 10,000 rows of frace variable in natlterr2009 dataset :

   Father's |
     Race U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         32        0.32        0.32
          2 |          6        0.06        0.38
          4 |        104        1.04        1.42
          5 |         11        0.11        1.53
          6 |          1        0.01        1.54
          7 |        292        2.92        4.46
          8 |        812        8.12       12.58
         18 |          3        0.03       12.61
         28 |         61        0.61       13.22
         38 |          2        0.02       13.24
         48 |          1        0.01       13.25
         58 |         30        0.30       13.55
         78 |        466        4.66       18.21
         99 |        628        6.28       24.49
          . |      7,551       75.51      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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