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

     Person |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,280       62.80       62.80
          2 |      2,250       22.50       85.30
          3 |        836        8.36       93.66
          4 |        389        3.89       97.55
          5 |        135        1.35       98.90
          6 |         58        0.58       99.48
          7 |         24        0.24       99.72
          8 |         14        0.14       99.86
          9 |          7        0.07       99.93
         10 |          5        0.05       99.98
         11 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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