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

     person |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,882       98.82       98.82
          2 |         81        0.81       99.63
          3 |         18        0.18       99.81
          4 |          5        0.05       99.86
          5 |          3        0.03       99.89
          6 |          3        0.03       99.92
          7 |          2        0.02       99.94
          8 |          2        0.02       99.96
          9 |          2        0.02       99.98
         10 |          1        0.01       99.99
         11 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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