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

   PERSON # |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,902       99.02       99.02
          2 |         74        0.74       99.76
          3 |         13        0.13       99.89
          4 |          6        0.06       99.95
          5 |          3        0.03       99.98
         10 |          1        0.01       99.99
         13 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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