Earlier quoted context omitted.
Given that access to porn is strongly negatively correlated with violent rape across most cultures I've seen studied, I'm not sure you should be cheering this.
How do you know this is true?
I can drum up a couple more if you're looking for more data (the references in that study also contain a few).
My understanding is that, in addition to the Czech Republic, Canada, Croatia, Denmark, Germany, Finland, Hong Kong, Shanghai, Sweden and the USA have also been studied and have similar results.