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

     person |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,844       98.44       98.44
          2 |        112        1.12       99.56
          3 |         24        0.24       99.80
          4 |         10        0.10       99.90
          5 |          5        0.05       99.95
          6 |          2        0.02       99.97
          7 |          1        0.01       99.98
          8 |          1        0.01       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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