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

   PERSON # |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,075       60.75       60.75
          2 |      2,216       22.16       82.91
          3 |        853        8.53       91.44
          4 |        441        4.41       95.85
          5 |        169        1.69       97.54
          6 |         77        0.77       98.31
          7 |         44        0.44       98.75
          8 |         28        0.28       99.03
          9 |         19        0.19       99.22
         10 |         13        0.13       99.35
         11 |         12        0.12       99.47
         12 |         10        0.10       99.57
         13 |          6        0.06       99.63
         14 |          6        0.06       99.69
         15 |          6        0.06       99.75
         16 |          3        0.03       99.78
         17 |          2        0.02       99.80
         18 |          2        0.02       99.82
         19 |          2        0.02       99.84
         20 |          2        0.02       99.86
         21 |          2        0.02       99.88
         22 |          1        0.01       99.89
         23 |          1        0.01       99.90
         24 |          1        0.01       99.91
         25 |          1        0.01       99.92
         26 |          1        0.01       99.93
         27 |          1        0.01       99.94
         28 |          1        0.01       99.95
         29 |          1        0.01       99.96
         30 |          1        0.01       99.97
         31 |          1        0.01       99.98
         32 |          1        0.01       99.99
         33 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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