Frequencies for first 10,000 rows of prov0745 variable in pos1993 dataset :

   branches |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,922       99.22       99.22
          1 |         42        0.42       99.64
          2 |         18        0.18       99.82
          3 |          4        0.04       99.86
          4 |          5        0.05       99.91
          5 |          5        0.05       99.96
          6 |          1        0.01       99.97
         12 |          1        0.01       99.98
         16 |          1        0.01       99.99
         20 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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