Frequencies for first 10,000 rows of prov3445 variable in pos1995 dataset :

       srv: |
podiatry-on |
   site-non |
  residents |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,523       75.23       75.23
          N |      2,456       24.56       99.79
          Y |         21        0.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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