Frequencies for first 10,000 rows of mrace variable in natl1986 dataset :

    Race of |
     Mother |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         46        0.46        0.46
          1 |      6,569       65.69       66.15
          2 |      3,354       33.54       99.69
          3 |          8        0.08       99.77
          4 |          8        0.08       99.85
          5 |          3        0.03       99.88
          6 |          1        0.01       99.89
          7 |          3        0.03       99.92
          8 |          7        0.07       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016