Frequencies for first 10,000 rows of phrmcy_srvc_cd variable in pos2008 dataset :

       srv: |
   pharmacy |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,421       64.21       64.21
          0 |      1,541       15.41       79.62
          1 |      1,018       10.18       89.80
          2 |        878        8.78       98.58
          3 |        142        1.42      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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