translate English to French: The slight decrease in tertiary treatment in Ontario and Quebec between 1996 and 1999 likely results from the change in reported data verification procedures for the MUD survey starting in 1996.
La lÃ©gÃ¨re diminution du traitement tertiaire en Ontario et au QuÃ©bec entre 1996 et 1999 est probablement le rÃ©sultat de la modification des procÃ©dures de vÃ©rification des donnÃ©es de lâ€™enquÃªte MUD Ã partir de 1996.