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

       race |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,927       59.27       59.27
          1 |      3,030       30.30       89.57
          2 |        527        5.27       94.84
          3 |        129        1.29       96.13
          4 |          9        0.09       96.22
          5 |         10        0.10       96.32
          7 |         24        0.24       96.56
         18 |          4        0.04       96.60
         19 |          7        0.07       96.67
         28 |          8        0.08       96.75
         38 |          5        0.05       96.80
         48 |         12        0.12       96.92
         58 |          1        0.01       96.93
         68 |         11        0.11       97.04
         78 |         20        0.20       97.24
         97 |          8        0.08       97.32
         98 |         31        0.31       97.63
         99 |        237        2.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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