https://www.pornhub.com/insights/2017-state-of-the-union(http://www.autoadmit.com/thread.php?thread_id=3865645&forum_id=2#35197990)
https://www.pornhub.com/insights/2017-year-in-review(http://www.autoadmit.com/thread.php?thread_id=3865645&forum_id=2#35197995)