Frequencies for first 10,000 rows of drctr_qualn_cd variable in pos1996 dataset :

   director |
qualificati |
        ons |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,836       98.36       98.36
          1 |         94        0.94       99.30
          2 |          1        0.01       99.31
          3 |          5        0.05       99.36
          4 |         15        0.15       99.51
          5 |         49        0.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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