Frequencies for first 10,000 rows of prov3325 variable in pos2009 dataset :

       SRV: |
PHARMACY-ON |
   SITE-NON |
  RESIDENTS |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,657       76.57       76.57
          N |      2,305       23.05       99.62
          Y |         38        0.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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