Suppress 0.0% in graph

in some of my graphs, i have this annoying category with no name and 0.0% any idea on how to supress that? i think its the NULL group or something.

thanks

awww come on, are u ppl telling me this doesnt occur for u!?

Bump. this is pissing me off

Go into the Record Selection Formula for the report and add a line that says:
not(isNull({NameOfTheGroupYourGraphingBy}))

That should not let any of those records into your report or your graph.

Hope that helps.