Frequencies for first 10,000 rows of prov0555 variable in pos1993 dataset :

       aide |
training/co |
   mpetency |
   programs |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,337       93.37       93.37
          1 |         16        0.16       93.53
          2 |        312        3.12       96.65
          3 |        214        2.14       98.79
          4 |        121        1.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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