Frequencies for first 10,000 rows of prov3440 variable in pos1999 dataset :

       srv: |
podiatry-on |
site-reside |
        nts |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,387       73.87       73.87
          N |        676        6.76       80.63
          Y |      1,937       19.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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