Frequencies for first 10,000 rows of prov4290 variable in posclia1997 dataset :

   prov4290 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,817       58.17       58.17
          1 |      4,083       40.83       99.00
          2 |         64        0.64       99.64
          3 |         24        0.24       99.88
          4 |          5        0.05       99.93
          5 |          2        0.02       99.95
          8 |          2        0.02       99.97
         10 |          1        0.01       99.98
         11 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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