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

Person Type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,314       53.14       53.14
          2 |      3,862       38.62       91.76
          3 |         27        0.27       92.03
          4 |          4        0.04       92.07
          5 |        692        6.92       98.99
          6 |         69        0.69       99.68
          8 |          4        0.04       99.72
          9 |         28        0.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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