Frequencies for first 10,000 rows of prov3540 variable in pos2008 dataset :

       srv: |
housekeepin |
g-offsite-r |
         es |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,661       76.61       76.61
          N |      2,278       22.78       99.39
          Y |         61        0.61      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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