Frequencies for first 10,000 rows of frace variable in natlterr2007 dataset :

   Father's |
     Race U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        354        3.54        3.54
          2 |         66        0.66        4.20
          3 |          7        0.07        4.27
          4 |        183        1.83        6.10
          5 |         49        0.49        6.59
          6 |         17        0.17        6.76
          7 |        820        8.20       14.96
          8 |      1,442       14.42       29.38
         18 |          3        0.03       29.41
         28 |        142        1.42       30.83
         38 |          3        0.03       30.86
         48 |          1        0.01       30.87
         58 |      1,201       12.01       42.88
         78 |        532        5.32       48.20
         99 |      1,343       13.43       61.63
          . |      3,837       38.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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