http://newgon77idcem62vqlfge3jkidjenvf6afhxwr2napk4kpp2labjbdid.onion/wiki/index.php?title=Research:_Prevalence_of_Harm_and_Negative_Outcomes
Of 575 participants (85% men and 15% transgender), 32% reported childhood sexual experiences with an older partner. Mean age at first experience was 9 years, partners being, on average, 19 years old, and mostly men. Most frequent behaviors were partners exposing their genitals, mutual fondling, child masturbating partner, child performing oral sex on partner, and child being anally penetrated.