Stickied at the top of the forum:

link

Gameroom Statistics (link) - Contains statistics on games and mafia players. Awesome job, Romanic! (note: not updated since 2011)
Xiahou
Mafia: 3 games (1 win, 2 losses, 0 draw, 0 WOG, 0 replaced) - Survived 1 time

As of 2011 (database is OOOOOLD and hasn't been updated)

I can keep looking. What else am I gonna do tonight.