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

PERSON TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,505       55.05       55.05
          2 |      3,773       37.73       92.78
          3 |         18        0.18       92.96
          4 |         37        0.37       93.33
          5 |        493        4.93       98.26
          6 |         64        0.64       98.90
          7 |          1        0.01       98.91
          8 |         18        0.18       99.09
          9 |         91        0.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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