Frequencies for first 10,000 rows of prov3440 variable in pos2003 dataset :

       srv: |
podiatry-on |
site-reside |
        nts |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,304       73.04       73.04
          N |        713        7.13       80.17
          Y |      1,983       19.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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