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

PERSON TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,336       53.36       53.36
          2 |      3,867       38.67       92.03
          3 |         36        0.36       92.39
          4 |          4        0.04       92.43
          5 |        590        5.90       98.33
          6 |         94        0.94       99.27
          8 |         19        0.19       99.46
          9 |         54        0.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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