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

     person |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,861       98.61       98.61
          2 |        111        1.11       99.72
          3 |         22        0.22       99.94
          4 |          5        0.05       99.99
          6 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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