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

PERSON TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,339       53.39       53.39
          2 |      3,847       38.47       91.86
          3 |         43        0.43       92.29
          5 |        656        6.56       98.85
          6 |         90        0.90       99.75
          8 |          8        0.08       99.83
          9 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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