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

PERSON TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,417       54.17       54.17
          2 |      3,877       38.77       92.94
          3 |         41        0.41       93.35
          4 |          2        0.02       93.37
          5 |        541        5.41       98.78
          6 |         72        0.72       99.50
          8 |         11        0.11       99.61
          9 |         39        0.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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