Frequencies for first 10,000 rows of prov5180 variable in pos2010 dataset :

 MEDICATION |
AIDES/TECHS |
  -CONTRACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,995       99.95       99.95
        .11 |          2        0.02       99.97
        .34 |          1        0.01       99.98
        .41 |          1        0.01       99.99
         .5 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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