Frequencies for first 10,000 rows of prov5180 variable in pos2006 dataset :

 medication |
aides/techs |
  -contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,996       99.96       99.96
        .01 |          1        0.01       99.97
        .11 |          2        0.02       99.99
        .23 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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