Frequencies for first 10,000 rows of prov0550 variable in pos1991 dataset :

       free |
   standing |
  indicator |
      (asc) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,703       97.03       97.03
          Y |        297        2.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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