I asked this same question to one of the people on the admissions committee a few weeks ago and they didn't really have a clear cut answer. About 65% or greater will be in state overall. They don't like to put numbers on things I guess. I have an interview there on 11/20 and I am in-state.

They did say that they fill up about 40-45% of the seats on Dec. 1 but made no reference to IS / OOS seats.
Hope that helps!