Frequencies for first 10,000 rows of prov4190 variable in posclia2001 dataset :

   prov4190 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,329       83.29       83.29
          N |      1,461       14.61       97.90
          Y |        210        2.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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