I don't think that there are more sex crimes against kids than before. I think that it's not tolerated anymore, that's all. People speak up and talk more about this, and sometimes some adults are falsely accused too.
And since it's not tolerated anymore, and people speak up, and the truth comes out sooner or later, I think that there could be less sex crimes against kids than years ago. I may be wrong, but you asked my opinion...
Take a walk on the wild side and find out. ( not literally)
Go to limewire.com download it and type in pedophilia , you will be shocked.
Make sure you delete it all too it is a crime now to have it on your cpu!