Flowing Data created maps for other countries, too.
The more bars, the darker the brown and the more grocery stores, the darker the green. It's kind of what you'd expect, but now you can really see that high bar concentration in Wisconsin, whereas a lot of the country has at least three times more grocery stores.
The caveat is that the data is from Google Places and is not scientifically-verifiable–and in any case does not necessarily reflect alcohol consumption rates.