Frequencies for first 10,000 rows of prov2365 variable in pos2004 dataset :

       srv: |
   pharmacy |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,248       62.48       62.48
          0 |      1,293       12.93       75.41
          1 |      1,080       10.80       86.21
          2 |      1,242       12.42       98.63
          3 |        137        1.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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