Frequencies for ins_hcc80 variable in hcccoefn dataset :

 congestive |
      heart |
    failure |      Freq.     Percent        Cum.
------------+-----------------------------------
       .228 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 2 May 2016