Frequencies for first 10,000 rows of prov0095 variable in posclia2005 dataset :

   prov0095 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,949       99.49       99.49
          1 |         28        0.28       99.77
          2 |         16        0.16       99.93
          3 |          2        0.02       99.95
          4 |          4        0.04       99.99
          . |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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