Frequencies for rx_ce_lti_rxhcc82 variable in rxcoeff dataset :

Rx_CE_LTI_R |
  XHCC82 -- |
  Psoriatic |
Arthropathy |
        and |
   Systemic |
  Sclerosis |      Freq.     Percent        Cum.
------------+-----------------------------------
       .655 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

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