How does xHamster count rank

How does xHamster count rank?
A. Users with amount of comments
0-50 get rank Newbie
51-150 Porn Lover
151-500 Porn Expert
501-1000 Kama Sutra Guru
1001-2000 Porn star
2001-5000 Celebrity
5001-8000 Pimp
8001-15000 Porn King/Queen
15001-25000 xHamster Legend
25000+ you'll get an option in your
profile to customize your rank