Frequencies for per_no variable in per_aux dataset :

   PERSON # |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        998       67.16       67.16
          2 |        260       17.50       84.66
          3 |        121        8.14       92.80
          4 |         59        3.97       96.77
          5 |         19        1.28       98.05
          6 |          8        0.54       98.59
          7 |          5        0.34       98.92
          8 |          3        0.20       99.13
          9 |          2        0.13       99.26
         10 |          1        0.07       99.33
         11 |          1        0.07       99.39
         12 |          1        0.07       99.46
         13 |          1        0.07       99.53
         14 |          1        0.07       99.60
         15 |          1        0.07       99.66
         16 |          1        0.07       99.73
         17 |          1        0.07       99.80
         18 |          1        0.07       99.87
         19 |          1        0.07       99.93
         20 |          1        0.07      100.00
------------+-----------------------------------
      Total |      1,486      100.00

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