I got banned a few times, with the worst event happening in 2008, where I was banned seven months out of the year.
FWIW, almost all of my bans were deserved. I usually got banned when I was acting like a jackass but without the mod protection that a Drinky Crow or a drohne or a Verboten or a Count Dookkake possesses, I didn't stand much of a chance.