Frequencies for first 10,000 rows of prov4880 variable in posclia1998 dataset :

   prov4880 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,876       98.76       98.76
          Y |        124        1.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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