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

Person Type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,194       51.94       51.94
          2 |      3,912       39.12       91.06
          3 |        739        7.39       98.45
          4 |         86        0.86       99.31
          5 |         32        0.32       99.63
          8 |          5        0.05       99.68
          9 |         32        0.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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