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

     Person |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,256       62.56       62.56
          2 |      2,246       22.46       85.02
          3 |        812        8.12       93.14
          4 |        373        3.73       96.87
          5 |        151        1.51       98.38
          6 |         69        0.69       99.07
          7 |         31        0.31       99.38
          8 |         18        0.18       99.56
          9 |          8        0.08       99.64
         10 |          8        0.08       99.72
         11 |          5        0.05       99.77
         12 |          4        0.04       99.81
         13 |          3        0.03       99.84
         14 |          2        0.02       99.86
         15 |          1        0.01       99.87
         16 |          1        0.01       99.88
         17 |          1        0.01       99.89
         18 |          1        0.01       99.90
         19 |          1        0.01       99.91
         20 |          1        0.01       99.92
         21 |          1        0.01       99.93
         22 |          1        0.01       99.94
         23 |          1        0.01       99.95
         24 |          1        0.01       99.96
         25 |          1        0.01       99.97
         26 |          1        0.01       99.98
         27 |          1        0.01       99.99
         28 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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