Frequencies for first 10,000 rows of prov1715 variable in pos2006 dataset :

   director |
qualificati |
        ons |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,938       99.38       99.38
          1 |         29        0.29       99.67
          2 |          2        0.02       99.69
          3 |          2        0.02       99.71
          4 |          7        0.07       99.78
          5 |         22        0.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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