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

       race |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,688       56.88       56.88
          1 |      3,343       33.43       90.31
          2 |        446        4.46       94.77
          3 |        138        1.38       96.15
          4 |         29        0.29       96.44
          5 |          8        0.08       96.52
          6 |          1        0.01       96.53
          7 |         40        0.40       96.93
         18 |          4        0.04       96.97
         19 |         12        0.12       97.09
         28 |         16        0.16       97.25
         38 |          2        0.02       97.27
         48 |          9        0.09       97.36
         58 |          1        0.01       97.37
         68 |         24        0.24       97.61
         78 |         35        0.35       97.96
         97 |         35        0.35       98.31
         98 |         17        0.17       98.48
         99 |        152        1.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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