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

     person |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,671       66.71       66.71
          2 |      1,901       19.01       85.72
          3 |        725        7.25       92.97
          4 |        358        3.58       96.55
          5 |        155        1.55       98.10
          6 |         72        0.72       98.82
          7 |         39        0.39       99.21
          8 |         20        0.20       99.41
          9 |         12        0.12       99.53
         10 |          9        0.09       99.62
         11 |          7        0.07       99.69
         12 |          6        0.06       99.75
         13 |          5        0.05       99.80
         14 |          5        0.05       99.85
         15 |          4        0.04       99.89
         16 |          3        0.03       99.92
         17 |          3        0.03       99.95
         18 |          3        0.03       99.98
         19 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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