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

   PERSON # |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,017       60.17       60.17
          2 |      2,241       22.41       82.58
          3 |        865        8.65       91.23
          4 |        436        4.36       95.59
          5 |        190        1.90       97.49
          6 |         97        0.97       98.46
          7 |         52        0.52       98.98
          8 |         28        0.28       99.26
          9 |         18        0.18       99.44
         10 |         13        0.13       99.57
         11 |          9        0.09       99.66
         12 |          5        0.05       99.71
         13 |          5        0.05       99.76
         14 |          5        0.05       99.81
         15 |          4        0.04       99.85
         16 |          4        0.04       99.89
         17 |          2        0.02       99.91
         18 |          2        0.02       99.93
         19 |          2        0.02       99.95
         20 |          2        0.02       99.97
         21 |          1        0.01       99.98
         22 |          1        0.01       99.99
         23 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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