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

       race |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,735       57.35       57.35
          1 |      2,352       23.52       80.87
          2 |        412        4.12       84.99
          3 |        155        1.55       86.54
          4 |         23        0.23       86.77
          5 |          3        0.03       86.80
          6 |          1        0.01       86.81
          7 |         13        0.13       86.94
         18 |         15        0.15       87.09
         19 |         13        0.13       87.22
         28 |          7        0.07       87.29
         38 |          1        0.01       87.30
         48 |          1        0.01       87.31
         58 |          1        0.01       87.32
         68 |         14        0.14       87.46
         78 |          6        0.06       87.52
         97 |          4        0.04       87.56
         98 |         28        0.28       87.84
         99 |      1,216       12.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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