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

     Person |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,040       60.40       60.40
          2 |      2,276       22.76       83.16
          3 |        880        8.80       91.96
          4 |        419        4.19       96.15
          5 |        175        1.75       97.90
          6 |         88        0.88       98.78
          7 |         37        0.37       99.15
          8 |         24        0.24       99.39
          9 |         14        0.14       99.53
         10 |          8        0.08       99.61
         11 |          8        0.08       99.69
         12 |          7        0.07       99.76
         13 |          7        0.07       99.83
         14 |          5        0.05       99.88
         15 |          3        0.03       99.91
         16 |          3        0.03       99.94
         17 |          1        0.01       99.95
         18 |          1        0.01       99.96
         19 |          1        0.01       99.97
         20 |          1        0.01       99.98
         21 |          1        0.01       99.99
         22 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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