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

Person Type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,461       54.61       54.61
          2 |      3,649       36.49       91.10
          3 |        742        7.42       98.52
          4 |         76        0.76       99.28
          5 |         40        0.40       99.68
          8 |         17        0.17       99.85
          9 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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