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Cambridge MA should be included with Boston, if SF Bay Area is an area by itself.

Also, Arlington, VA is considered part of the Washington DC metro area. and Bellevue is close enough to Seattle to count over there as well.

But other than that (which you wouldn't know unless you lived there) its awesome. I was curious about this information.

Thanks for the feedback. My US geography isn't great. I've fixed it in the charts and spreadsheet and will keep note of it if I ever do this again.