The entire article can be found here:
http://www.washtimes.com/national/20040227-111236-5901r.htm As concerns the age of the perps, this is the only mention:
"The largest group of abusers more than 40 percent were between 30 and 39 years when they first preyed on children."
The rest of the John Jay report should be on the USCCB website, although last time I checked, it was "Temporarily removed for editing." Figures.