Frequencies for first 10,000 rows of prov5180 variable in pos2002 dataset :

 medication |
aides/techs |
  -contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,991       99.91       99.91
        .11 |          5        0.05       99.96
        .13 |          1        0.01       99.97
        .17 |          1        0.01       99.98
        .34 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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