Frequencies for first 10,000 rows of prov3275 variable in pos2005 dataset :

       srv: |
physician-o |
nsite-resid |
       ents |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,474       74.74       74.74
          N |        653        6.53       81.27
          Y |      1,873       18.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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