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

Person Type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,490       54.90       54.90
          2 |      3,617       36.17       91.07
          3 |        746        7.46       98.53
          4 |         88        0.88       99.41
          5 |         18        0.18       99.59
          8 |         13        0.13       99.72
          9 |         28        0.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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