Frequencies for first 10,000 rows of drctr_qualn_cd variable in pos2008 dataset :

   director |
qualificati |
        ons |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,937       99.37       99.37
          1 |         30        0.30       99.67
          2 |          2        0.02       99.69
          3 |          2        0.02       99.71
          4 |          5        0.05       99.76
          5 |         24        0.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017