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

Person Type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,313       53.13       53.13
          2 |      3,785       37.85       90.98
          3 |        778        7.78       98.76
          4 |         76        0.76       99.52
          5 |         10        0.10       99.62
          8 |         14        0.14       99.76
          9 |         24        0.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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