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

Person Type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,581       55.81       55.81
          2 |      3,625       36.25       92.06
          3 |        670        6.70       98.76
          4 |         65        0.65       99.41
          5 |         22        0.22       99.63
          8 |         24        0.24       99.87
          9 |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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