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

PERSON TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,677       56.77       56.77
          2 |      3,660       36.60       93.37
          3 |         19        0.19       93.56
          4 |          1        0.01       93.57
          5 |        537        5.37       98.94
          6 |         76        0.76       99.70
          7 |          1        0.01       99.71
          8 |         13        0.13       99.84
          9 |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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