Frequencies for first 10,000 rows of prov4290 variable in posclia2004 dataset :

   prov4290 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,616       66.16       66.16
          1 |      3,310       33.10       99.26
          2 |         44        0.44       99.70
          3 |         18        0.18       99.88
          4 |          5        0.05       99.93
          5 |          2        0.02       99.95
         10 |          1        0.01       99.96
         11 |          2        0.02       99.98
         17 |          1        0.01       99.99
          . |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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