Frequencies for first 10,000 rows of prov4190 variable in posclia2005 dataset :

   prov4190 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,473       84.73       84.73
          N |      1,325       13.25       97.98
          Y |        202        2.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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