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

       race |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,707       57.07       57.07
          1 |      3,297       32.97       90.04
          2 |        488        4.88       94.92
          3 |        185        1.85       96.77
          4 |         37        0.37       97.14
          5 |         18        0.18       97.32
          6 |          2        0.02       97.34
          7 |         40        0.40       97.74
         18 |         23        0.23       97.97
         19 |         47        0.47       98.44
         28 |          9        0.09       98.53
         38 |          5        0.05       98.58
         48 |         24        0.24       98.82
         58 |          1        0.01       98.83
         68 |         34        0.34       99.17
         78 |          2        0.02       99.19
         97 |          4        0.04       99.23
         98 |         24        0.24       99.47
         99 |         53        0.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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