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

PERSON TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,247       52.47       52.47
          2 |      3,900       39.00       91.47
          3 |         43        0.43       91.90
          4 |          7        0.07       91.97
          5 |        692        6.92       98.89
          6 |         82        0.82       99.71
          7 |          3        0.03       99.74
          8 |          7        0.07       99.81
          9 |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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