Frequencies for first 10,000 rows of prov4175 variable in posclia2000 dataset :

   prov4175 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,290       22.90       22.90
          N |      7,237       72.37       95.27
          Y |        473        4.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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