Frequencies for first 10,000 rows of prov4290 variable in posclia1999 dataset :

   prov4290 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,115       61.15       61.15
          1 |      3,804       38.04       99.19
          2 |         47        0.47       99.66
          3 |         21        0.21       99.87
          4 |          5        0.05       99.92
          5 |          2        0.02       99.94
          8 |          2        0.02       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