Frequencies for first 10,000 rows of prov2055 variable in pos2009 dataset :

 SRV: ACUTE |
      RENAL |
   DIALYSIS |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,638       86.38       86.38
          0 |        741        7.41       93.79
          1 |        139        1.39       95.18
          2 |        455        4.55       99.73
          3 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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