Frequencies for first 10,000 rows of phrmcy_srvc_cd variable in pos2011 dataset :

   Services |
  Provided: |
   Pharmacy |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,947       69.47       69.47
          0 |      1,162       11.62       81.09
          1 |      1,035       10.35       91.44
          2 |        739        7.39       98.83
          3 |        117        1.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2019