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

PERSON TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,269       52.69       52.69
          2 |      3,958       39.58       92.27
          3 |         37        0.37       92.64
          4 |          2        0.02       92.66
          5 |        596        5.96       98.62
          6 |         73        0.73       99.35
          8 |         16        0.16       99.51
          9 |         48        0.48       99.99
         19 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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