Frequencies for first 10,000 rows of drctr_qualn_cd variable in pos2009 dataset :

   DIRECTOR |
QUALIFICATI |
        ONS |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,936       99.36       99.36
          1 |         29        0.29       99.65
          2 |          2        0.02       99.67
          3 |          3        0.03       99.70
          4 |          5        0.05       99.75
          5 |         25        0.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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