Frequencies for first 10,000 rows of prov3440 variable in pos2007 dataset :

       srv: |
podiatry-on |
site-reside |
        nts |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,522       75.22       75.22
          N |        746        7.46       82.68
          Y |      1,732       17.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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