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

Person Type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,663       56.63       56.63
          2 |      3,384       33.84       90.47
          3 |         25        0.25       90.72
          4 |          4        0.04       90.76
          5 |        722        7.22       97.98
          6 |        107        1.07       99.05
          8 |         30        0.30       99.35
          9 |         58        0.58       99.93
         10 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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