Frequencies for first 10,000 rows of phrmcy_srvc_cd variable in pos2018 dataset :

  Services: |
   Pharmacy |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      7,032       70.32       70.32
          0 |      1,041       10.41       80.73
          1 |      1,059       10.59       91.32
          2 |        726        7.26       98.58
          3 |        137        1.37       99.95
          4 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019