Frequencies for first 10,000 rows of prov4205 variable in posclia1998 dataset :

   prov4205 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,921       99.21       99.21
          X |         79        0.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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