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

       race |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,716       57.16       57.16
          1 |      3,286       32.86       90.02
          2 |        452        4.52       94.54
          3 |        170        1.70       96.24
          4 |         16        0.16       96.40
          5 |          8        0.08       96.48
          6 |          1        0.01       96.49
          7 |         31        0.31       96.80
         18 |          4        0.04       96.84
         19 |         11        0.11       96.95
         28 |         23        0.23       97.18
         38 |          4        0.04       97.22
         48 |         12        0.12       97.34
         68 |         20        0.20       97.54
         78 |         22        0.22       97.76
         97 |         37        0.37       98.13
         98 |         28        0.28       98.41
         99 |        159        1.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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