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

Person Type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,310       53.10       53.10
          2 |      3,867       38.67       91.77
          3 |         43        0.43       92.20
          4 |          8        0.08       92.28
          5 |        647        6.47       98.75
          6 |         90        0.90       99.65
          7 |          5        0.05       99.70
          8 |          5        0.05       99.75
          9 |         25        0.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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