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

   PERSON # |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,283       62.83       62.83
          2 |      2,062       20.62       83.45
          3 |        825        8.25       91.70
          4 |        428        4.28       95.98
          5 |        182        1.82       97.80
          6 |         80        0.80       98.60
          7 |         43        0.43       99.03
          8 |         25        0.25       99.28
          9 |         16        0.16       99.44
         10 |         12        0.12       99.56
         11 |          7        0.07       99.63
         12 |          4        0.04       99.67
         13 |          4        0.04       99.71
         14 |          3        0.03       99.74
         15 |          2        0.02       99.76
         16 |          2        0.02       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 |          2        0.02       99.90
         23 |          2        0.02       99.92
         24 |          2        0.02       99.94
         25 |          2        0.02       99.96
         26 |          1        0.01       99.97
         27 |          1        0.01       99.98
         28 |          1        0.01       99.99
         29 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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