Frequencies for first 10,000 rows of prov2365 variable in pos2001 dataset :

       srv: |
   pharmacy |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,674       66.74       66.74
          0 |      1,147       11.47       78.21
          1 |      1,020       10.20       88.41
          2 |      1,065       10.65       99.06
          3 |         94        0.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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