translate English to French: According to the Study, an estimated 135,573 child maltreatment investigations were carried out in Canada in 1998, an annual incidence rate of 21.52 investigations per 1,000 children.
Selon l'EIC, environ 135 573 enquÃªtes ont Ã©tÃ© effectuÃ©es sur des cas de maltraitance d'enfants au Canada en 1998, ce qui reprÃ©sente un taux annuel de 21,52 enquÃªtes pour 1 000 enfants.