Frequencies for first 10,000 rows of prov4880 variable in posclia1997 dataset :

   prov4880 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,882       98.82       98.82
          Y |        118        1.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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