DR this is a bug and we have discussed it before ,actually the bug was never fixed don't know why!
i do know why it happens and as a result i have another site option that no one has "decreasing the
number of my posts"comes handy sometimes...
here is the link to my post about the bug:
http://www.antionline.com/showthread...hreadid=237635

sonjaboon has done the same thing i don't know if he knew about it or not but you can search all posts
he has made and see how many posts he has!
search all posts by sonjaboon