Frequencies for per_typ variable in person dataset :

Person Type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        575       43.49       43.49
          2 |        491       37.14       80.64
          3 |        234       17.70       98.34
          4 |         12        0.91       99.24
          5 |          9        0.68       99.92
          8 |          1        0.08      100.00
------------+-----------------------------------
      Total |      1,322      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016