The fact is that eighty percent of the abuse was same-sex. The majority of priests (56%) were alleged to have abused one victim, nearly 27% were alleged to have abused two or three victims; the largest group of alleged victims (50.9%) was between the ages of 11 and 14, 27.3% were 15-17. 

These were predominately prepubescent and pubescent boys assaulted by middle-aged men. The majority of priests involved were ordained between 1950 and 1979 (68%). Priests ordained prior to 1950 accounted for 21.3% of the allegations, and priests ordained after 1979 accounted for 10.7% of allegations. 

As I said: "The figures published there make it clear the vast majority of abuse was homosexual assaults on teenage boys." I've indicated the reasons in other posts.