Frequencies for first 10,000 rows of phrmcy_srvc_cd variable in pos2007 dataset :

       srv: |
   pharmacy |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,554       65.54       65.54
          0 |      1,464       14.64       80.18
          1 |      1,014       10.14       90.32
          2 |        824        8.24       98.56
          3 |        144        1.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017