Frequencies for first 10,000 rows of prov0840 variable in pos1995 dataset :

        lab |
directors - |
         md |
pathologist |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,302       93.02       93.02
          1 |        415        4.15       97.17
          2 |        124        1.24       98.41
          3 |         65        0.65       99.06
          4 |         28        0.28       99.34
          5 |         17        0.17       99.51
          6 |         20        0.20       99.71
          7 |          9        0.09       99.80
          8 |          6        0.06       99.86
          9 |          3        0.03       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