The Church of England has the advantage of not collating statistics of prosecutions and it is the Catholic church which is perceived to have the gravest problems. About 25 priests out of 5,600 have been convicted in the past five years and the cases keep on coming - an average of one every three months. The vast majority of priests who are good and faithful feel ashamed. With its moral authoritarianism, the church makes a good target for accusations of hypocrisy. Priestly celibacy may or may not be a contributory factor.
Paedophiles seem to have some deep psychosis.
Whether an institutional environment attracts a certain sort of personality is hard to say. What is certain is that the church has been slow to take allegations seriously and has been perceived to be more concerned about protecting its priests rather than their victims. The church authorities in September brought in the former public standards watchdog Lord Nolan to inquire into the working of the guidelines in the hope of heading off accusations of complacency. They have recently instituted checks with police for every candidate for priesthood.