Frequencies for first 10,000 rows of prov4175 variable in posclia2003 dataset :

   prov4175 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,084       30.84       30.84
          N |      6,470       64.70       95.54
          Y |        446        4.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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