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

     person |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,818       68.18       68.18
          2 |      1,893       18.93       87.11
          3 |        681        6.81       93.92
          4 |        332        3.32       97.24
          5 |        148        1.48       98.72
          6 |         58        0.58       99.30
          7 |         28        0.28       99.58
          8 |         14        0.14       99.72
          9 |          9        0.09       99.81
         10 |          6        0.06       99.87
         11 |          5        0.05       99.92
         12 |          3        0.03       99.95
         13 |          2        0.02       99.97
         14 |          2        0.02       99.99
         15 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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