Frequencies for first 10,000 rows of prov3435 variable in pos1993 dataset :

       srv: |
dental-offs |
ite-residen |
         ts |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,627       76.27       76.27
          N |      1,678       16.78       93.05
          Y |        695        6.95      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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