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

Person Type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,673       56.73       56.73
          2 |      3,347       33.47       90.20
          3 |         32        0.32       90.52
          4 |          2        0.02       90.54
          5 |        741        7.41       97.95
          6 |        122        1.22       99.17
          7 |          2        0.02       99.19
          8 |         26        0.26       99.45
          9 |         51        0.51       99.96
         10 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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