Frequencies for first 10,000 rows of prov3320 variable in pos1999 dataset :

       srv: |
pharmacy-on |
site-reside |
        nts |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,387       73.87       73.87
          N |        150        1.50       75.37
          Y |      2,463       24.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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