Frequencies for cfd_hcc110 variable in hcccoefn dataset :

     Cystic |
   Fibrosis |      Freq.     Percent        Cum.
------------+-----------------------------------
      3.469 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 7 Feb 2019