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→Data by zip code
http://eig.org/dci/interactive-maps/u-s-zip-codes
*R&D Expenses, 1980-2016 - Wharton Research Data Services (E:\McNair\Hubs\summer 2017)
*Zipcode look-up table obtained from [https://www.unitedstateszipcodes.org/zip-code-database/]. It's available in (E:\McNair\Hubs\summer 2017).
== Data by MSA ==
