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

   PERSON # |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,037       60.37       60.37
          2 |      2,163       21.63       82.00
          3 |        887        8.87       90.87
          4 |        423        4.23       95.10
          5 |        193        1.93       97.03
          6 |         97        0.97       98.00
          7 |         42        0.42       98.42
          8 |         29        0.29       98.71
          9 |         22        0.22       98.93
         10 |         21        0.21       99.14
         11 |         15        0.15       99.29
         12 |         11        0.11       99.40
         13 |          8        0.08       99.48
         14 |          8        0.08       99.56
         15 |          5        0.05       99.61
         16 |          4        0.04       99.65
         17 |          4        0.04       99.69
         18 |          4        0.04       99.73
         19 |          4        0.04       99.77
         20 |          4        0.04       99.81
         21 |          4        0.04       99.85
         22 |          3        0.03       99.88
         23 |          2        0.02       99.90
         24 |          2        0.02       99.92
         25 |          1        0.01       99.93
         26 |          1        0.01       99.94
         27 |          1        0.01       99.95
         28 |          1        0.01       99.96
         29 |          1        0.01       99.97
         30 |          1        0.01       99.98
         31 |          1        0.01       99.99
         32 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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