Frequencies for first 10,000 rows of prov4995 variable in posclia1997 dataset :

   prov4995 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,544       95.44       95.44
          Y |        456        4.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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