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

       race |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,735       57.35       57.35
          1 |      3,366       33.66       91.01
          2 |        480        4.80       95.81
          3 |        189        1.89       97.70
          4 |         27        0.27       97.97
          5 |          8        0.08       98.05
          6 |          2        0.02       98.07
          7 |         31        0.31       98.38
         18 |         10        0.10       98.48
         19 |         13        0.13       98.61
         28 |          8        0.08       98.69
         48 |         18        0.18       98.87
         68 |         23        0.23       99.10
         78 |         22        0.22       99.32
         97 |         17        0.17       99.49
         98 |         35        0.35       99.84
         99 |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016