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

Person Type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,285       52.85       52.85
          2 |      3,899       38.99       91.84
          3 |        697        6.97       98.81
          4 |         86        0.86       99.67
          5 |          7        0.07       99.74
          8 |          2        0.02       99.76
          9 |         24        0.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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