Frequencies for first 10,000 rows of prov3440 variable in pos2002 dataset :

       srv: |
podiatry-on |
site-reside |
        nts |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,325       73.25       73.25
          N |        700        7.00       80.25
          Y |      1,975       19.75      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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