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

PERSON TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,645       56.45       56.45
          2 |      3,626       36.26       92.71
          3 |         27        0.27       92.98
          4 |          7        0.07       93.05
          5 |        546        5.46       98.51
          6 |         87        0.87       99.38
          7 |          1        0.01       99.39
          8 |         17        0.17       99.56
          9 |         37        0.37       99.93
         10 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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