Frequencies for rx_ce_lti_rxhcc68 variable in rxcoeff dataset :

Rx_CE_LTI_R |
  XHCC68 -- |
 Esophageal |
 Reflux and |
      Other |
  Disorders |
         of |
  Esophagus |      Freq.     Percent        Cum.
------------+-----------------------------------
       .077 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

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