Frequencies for first 10,000 rows of prov3535 variable in pos2002 dataset :

       srv: |
housekeepin |
          g |
 onsite-non |
        res |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,326       73.26       73.26
          N |      2,582       25.82       99.08
          Y |         92        0.92      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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