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

PERSON TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,265       52.65       52.65
          2 |      3,902       39.02       91.67
          3 |         48        0.48       92.15
          4 |          9        0.09       92.24
          5 |        622        6.22       98.46
          6 |         70        0.70       99.16
          7 |          1        0.01       99.17
          8 |         10        0.10       99.27
          9 |         73        0.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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