I've heard some people say that and I've heard other people say it's a myth.
Do you have a trustworthy source?
I've offered dozens of times over the years to e-mail my MS Word doc. with links to the source material, to anyone willing to PM their e-mail to me.
Amazingly, some of those linked sources have been taken down, but several persist. Fortunately, I excerpted key summaries and they're included in the doc.
I can’t say if it is still true, as there is a social media and school-fueled social contagion right now that has exploded the numbers, but it was very clear from talking to them as recently as a decade ago.
That became clear to me long before I became aware that formal studies had also found that.
It also was a major part of people with hypersexualization issues.