Frequencies for ins_hcc8 variable in hcccoefn dataset :

lung, upper |
  digestive |
   tract, a |      Freq.     Percent        Cum.
------------+-----------------------------------
        .47 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

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