I've put together some mind-bogglingly thorough statistics on Pokemon pornography. And I couldn't have done it without the fine folks at e621 (and the other boorus), so I thought the people here should know.

http://interrostat.com/

If you ever wanted to know just how gay Charmeleon was, but were too lazy to figure it out, now you know. (Answer: Pretty gay, but not as gay as Feraligatr)