Problem is that reliable province/state level IP block data is hard to get by, for use in an open source application. So, barring an option to activate a required subscription-based service (e.g. as available from MaxMind) I think at best a country-based option is available on a world-wide scale, where a marker is set at the country's centroid ("somewhere in the middle"). And country-level stats aren't really that helpful... I'm not sure the necessary investment of building some IP-based geocoding into StatPress Reloaded is worth that effort.
(Yes, there are some finer tuned and "free" IP geolocation DBs around, even at city-level, but they're any possible combination of being either not very accurate, or not available world-wide. And regardless of that, I believe they're fairly large and CPU expensive to use.)
Look much forward to the graphs though!