Frequencies for first 10,000 rows of drctr_qualn_cd variable in pos2010 dataset :

   DIRECTOR |
QUALIFICATI |
        ONS |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,931       99.31       99.31
          1 |         33        0.33       99.64
          2 |          2        0.02       99.66
          3 |          3        0.03       99.69
          4 |          7        0.07       99.76
          5 |         24        0.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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