Frequencies for first 10,000 rows of prov1580 variable in pos1995 dataset :

      renal |
   dialysis |
   facility |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,603       96.03       96.03
          A |        396        3.96       99.99
          B |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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