Frequencies for first 10,000 rows of prov3435 variable in pos1995 dataset :

       srv: |
dental-offs |
ite-residen |
         ts |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,523       75.23       75.23
          N |      1,731       17.31       92.54
          Y |        746        7.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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