Frequencies for first 10,000 rows of prov0555 variable in pos2001 dataset :

       aide |
training/co |
   mpetency |
   programs |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,948       89.48       89.48
          1 |         16        0.16       89.64
          2 |        481        4.81       94.45
          3 |        200        2.00       96.45
          4 |        355        3.55      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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