Frequencies for first 10,000 rows of prov1675 variable in pos1998 dataset :

   provider |
      based |
   facility |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,781       97.81       97.81
          Y |        219        2.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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