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

PERSON TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,418       54.18       54.18
          2 |      3,828       38.28       92.46
          3 |         18        0.18       92.64
          4 |          3        0.03       92.67
          5 |        575        5.75       98.42
          6 |         79        0.79       99.21
          8 |         18        0.18       99.39
          9 |         61        0.61      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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