Frequencies for cnd_hcc110 variable in hcccoefn dataset :

     cystic |
   fibrosis |      Freq.     Percent        Cum.
------------+-----------------------------------
      2.538 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 8 Feb 2018