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

       race |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,994       59.94       59.94
          1 |      2,848       28.48       88.42
          2 |        362        3.62       92.04
          3 |        171        1.71       93.75
          4 |         22        0.22       93.97
          5 |         10        0.10       94.07
          7 |         19        0.19       94.26
         18 |          4        0.04       94.30
         19 |         11        0.11       94.41
         28 |         13        0.13       94.54
         38 |          4        0.04       94.58
         48 |         13        0.13       94.71
         68 |         16        0.16       94.87
         78 |          8        0.08       94.95
         98 |         22        0.22       95.17
         99 |        483        4.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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