Frequencies for first 10,000 rows of frace variable in linkco1991us_num dataset :

    Race of |
     Father |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,485       54.85       54.85
          2 |      1,598       15.98       70.83
          3 |         85        0.85       71.68
          4 |         58        0.58       72.26
          5 |          9        0.09       72.35
          6 |         10        0.10       72.45
          7 |         71        0.71       73.16
          8 |        192        1.92       75.08
          9 |          6        0.06       75.14
         99 |      2,486       24.86      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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