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

   PERSON # |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,437       64.37       64.37
          2 |      1,992       19.92       84.29
          3 |        767        7.67       91.96
          4 |        367        3.67       95.63
          5 |        158        1.58       97.21
          6 |         74        0.74       97.95
          7 |         40        0.40       98.35
          8 |         29        0.29       98.64
          9 |         16        0.16       98.80
         10 |         13        0.13       98.93
         11 |         11        0.11       99.04
         12 |          9        0.09       99.13
         13 |          9        0.09       99.22
         14 |          8        0.08       99.30
         15 |          8        0.08       99.38
         16 |          7        0.07       99.45
         17 |          7        0.07       99.52
         18 |          4        0.04       99.56
         19 |          4        0.04       99.60
         20 |          4        0.04       99.64
         21 |          4        0.04       99.68
         22 |          4        0.04       99.72
         23 |          4        0.04       99.76
         24 |          4        0.04       99.80
         25 |          4        0.04       99.84
         26 |          3        0.03       99.87
         27 |          3        0.03       99.90
         28 |          1        0.01       99.91
         29 |          1        0.01       99.92
         30 |          1        0.01       99.93
         31 |          1        0.01       99.94
         32 |          1        0.01       99.95
         33 |          1        0.01       99.96
         34 |          1        0.01       99.97
         35 |          1        0.01       99.98
         36 |          1        0.01       99.99
         37 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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