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

   PERSON # |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,923       59.23       59.23
          2 |      2,294       22.94       82.17
          3 |        914        9.14       91.31
          4 |        468        4.68       95.99
          5 |        177        1.77       97.76
          6 |         80        0.80       98.56
          7 |         44        0.44       99.00
          8 |         30        0.30       99.30
          9 |         15        0.15       99.45
         10 |         13        0.13       99.58
         11 |         10        0.10       99.68
         12 |          7        0.07       99.75
         13 |          4        0.04       99.79
         14 |          3        0.03       99.82
         15 |          1        0.01       99.83
         16 |          1        0.01       99.84
         17 |          1        0.01       99.85
         18 |          1        0.01       99.86
         19 |          1        0.01       99.87
         20 |          1        0.01       99.88
         21 |          1        0.01       99.89
         22 |          1        0.01       99.90
         23 |          1        0.01       99.91
         24 |          1        0.01       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