Frequencies for inhcc variable in icd2hccxw2006 dataset :

    CMS-HCC |
      Model |
   Calendar |
  Year 2006 |
    Payment |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         79        1.43        1.43
         No |      2,241       40.70       42.14
        Yes |      3,186       57.86      100.00
------------+-----------------------------------
      Total |      5,506      100.00

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