5310 after 2 years. I only kill them looking for bombs or when I walk by and get excited that the opportunity to kill something has marched right up to my doorstep!
Still, there should be some type of reward for attaining a certain number of baddie kills. This could also be applied to spar wins/losses, PKs, etc. Rufus had a great idea in a thread of his where he brought up the idea of achievements. Here's the link:
http://www.graalians.com/forums/showthread.php?t=1406