Frequencies for first 10,000 rows of prov0840 variable in pos1993 dataset :

        lab |
directors - |
         md |
pathologist |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,241       92.41       92.41
          1 |        453        4.53       96.94
          2 |        132        1.32       98.26
          3 |         73        0.73       98.99
          4 |         31        0.31       99.30
          5 |         18        0.18       99.48
          6 |         21        0.21       99.69
          7 |         10        0.10       99.79
          8 |          6        0.06       99.85
          9 |          4        0.04       99.89
         10 |          3        0.03       99.92
         11 |          2        0.02       99.94
         12 |          1        0.01       99.95
         13 |          4        0.04       99.99
         17 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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