Frequencies for first 10,000 rows of race variable in person dataset :

       race |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,727       57.27       57.27
          1 |      3,209       32.09       89.36
          2 |        420        4.20       93.56
          3 |        128        1.28       94.84
          4 |         40        0.40       95.24
          5 |          5        0.05       95.29
          6 |          1        0.01       95.30
          7 |         25        0.25       95.55
         18 |         11        0.11       95.66
         19 |         35        0.35       96.01
         28 |         13        0.13       96.14
         38 |          3        0.03       96.17
         48 |         10        0.10       96.27
         68 |         25        0.25       96.52
         78 |          9        0.09       96.61
         97 |         30        0.30       96.91
         98 |         29        0.29       97.20
         99 |        280        2.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016