Frequencies for s2_1_c2_127 variable in hcris2552_10_2011 dataset :

   medicare |
  certified |
   heart tc |
  term date |
    s200001 |
12700 00200 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,147       99.95       99.95
 01/14/2012 |          1        0.02       99.97
 07/08/2011 |          1        0.02       99.98
 07/11/2009 |          1        0.02      100.00
------------+-----------------------------------
      Total |      6,150      100.00

by Jean Roth , jroth@nber.org , 23 Aug 2018