Frequencies for first 10,000 rows of prov0550 variable in pos2009 dataset :

       FREE |
   STANDING |
  INDICATOR |
      (ASC) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,651       96.51       96.51
          Y |        349        3.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017