Frequencies for first 10,000 rows of prov0555 variable in pos1995 dataset :

       aide |
training/co |
   mpetency |
   programs |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,143       91.43       91.43
          1 |         18        0.18       91.61
          2 |        407        4.07       95.68
          3 |        209        2.09       97.77
          4 |        223        2.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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