Frequencies for first 10,000 rows of prov0495 variable in pos1992 dataset :

 fms survey |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,641       96.41       96.41
          Y |        359        3.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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