Frequencies for first 10,000 rows of prov4190 variable in posclia2003 dataset :

   prov4190 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,476       84.76       84.76
          N |      1,328       13.28       98.04
          Y |        196        1.96      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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