Frequencies for inrxhcc variable in icd2hccxw2006 dataset :

RxHCC Model |
   Calendar |
  Year 2006 |
    Payment |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         75        1.36        1.36
         No |      1,857       33.73       35.09
        Yes |      3,574       64.91      100.00
------------+-----------------------------------
      Total |      5,506      100.00

by Jean Roth , jroth@nber.org , 12 Jan 2016