Frequencies for rx_ce_lti_rxhcc18 variable in rxcoeff dataset :

Rx_CE_LTI_R |
  XHCC18 -- |
      Lung, |
Kidney, and |
      Other |
    Cancers |      Freq.     Percent        Cum.
------------+-----------------------------------
       .069 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

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