Frequencies for first 10,000 rows of prov3540 variable in pos1998 dataset :

       srv: |
housekeepin |
g-offsite-r |
         es |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,422       74.22       74.22
          N |      2,520       25.20       99.42
          Y |         58        0.58      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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