Frequencies for first 10,000 rows of prov4290 variable in posclia2001 dataset :

   prov4290 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,290       62.90       62.90
          1 |      3,631       36.31       99.21
          2 |         47        0.47       99.68
          3 |         20        0.20       99.88
          4 |          5        0.05       99.93
          5 |          2        0.02       99.95
          8 |          1        0.01       99.96
         10 |          1        0.01       99.97
         11 |          2        0.02       99.99
         17 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016