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

   PERSON # |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,298       62.98       62.98
          2 |      2,030       20.30       83.28
          3 |        782        7.82       91.10
          4 |        372        3.72       94.82
          5 |        178        1.78       96.60
          6 |         84        0.84       97.44
          7 |         53        0.53       97.97
          8 |         34        0.34       98.31
          9 |         23        0.23       98.54
         10 |         19        0.19       98.73
         11 |         16        0.16       98.89
         12 |         14        0.14       99.03
         13 |         13        0.13       99.16
         14 |         12        0.12       99.28
         15 |         11        0.11       99.39
         16 |          9        0.09       99.48
         17 |          7        0.07       99.55
         18 |          7        0.07       99.62
         19 |          6        0.06       99.68
         20 |          4        0.04       99.72
         21 |          4        0.04       99.76
         22 |          4        0.04       99.80
         23 |          2        0.02       99.82
         24 |          2        0.02       99.84
         25 |          2        0.02       99.86
         26 |          2        0.02       99.88
         27 |          2        0.02       99.90
         28 |          2        0.02       99.92
         29 |          2        0.02       99.94
         30 |          2        0.02       99.96
         31 |          2        0.02       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