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  • Dollar Conversion:
  • Current
  • Constant
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NA = not available
GDP = gross domestic product

NOTES: R&D includes R&D performed by federal agencies, businesses, universities, other nonprofit organizations, and state agencies.

SOURCES: National Science Foundation, National Center for Science and Engineering Statistics, National Patterns of R&D Resources (various years); Bureau of Economic Analysis, Gross Domestic Product data (June 2013).
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