Frequencies for ins_hcc7 variable in hcccoefn dataset :

 Metastatic |
 Cancer and |
      Acute |
   Leukemia |      Freq.     Percent        Cum.
------------+-----------------------------------
        .91 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

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