Frequencies for per_no variable in person dataset :

   PERSON # |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        927       72.31       72.31
          2 |        207       16.15       88.46
          3 |         84        6.55       95.01
          4 |         40        3.12       98.13
          5 |         14        1.09       99.22
          6 |          3        0.23       99.45
          7 |          1        0.08       99.53
          8 |          1        0.08       99.61
          9 |          1        0.08       99.69
         10 |          1        0.08       99.77
         11 |          1        0.08       99.84
         12 |          1        0.08       99.92
         13 |          1        0.08      100.00
------------+-----------------------------------
      Total |      1,282      100.00

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