Frequencies for first 10,000 rows of prov3320 variable in pos1993 dataset :

       srv: |
pharmacy-on |
site-reside |
        nts |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,627       76.27       76.27
          N |        130        1.30       77.57
          Y |      2,243       22.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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