Frequencies for specialpay variable in drg2012 dataset :

 Post Acute |
    Special |
    Payment |
     Policy |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        248       24.82       24.82
         No |        721       72.17       97.00
        Yes |         30        3.00      100.00
------------+-----------------------------------
      Total |        999      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016