Frequencies for gc_hcc12 variable in hcccoefn dataset :

    breast, |
  prostate, |
  and other |
cancers and |
     tumors |      Freq.     Percent        Cum.
------------+-----------------------------------
        .18 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

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