Terry at the Talk Origins board

Yeah, Mammuthus: You ought to be able to get banned for something really subtle. Try stating that your own research from your own lab shows unequivocally that mammoths died out over 10,000 years ago. That should get you kicked out pretty quick.[Quetzal apologizes for the digression: he just returned from a reception and is three-sheets to the wind. ]

As of this post, 501.

I figured that's what you were after. However, I'd say that the vast majority of the people registered here are most likely either dormant (in that they post very infrequently), or "extinct" in the population (in that they posted once or twice and never returned). How many check in every so often just to read, I don't know. Percy may have some kind of "use monitor".