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  • Dollar Conversion:
  • Current
  • Constant
  • previous / next year
NA = not available

SOURCES: The Patent Board™, special tabulations (2013) from Thomson Reuters, Science Citation Index and Social Sciences Citation Index;┬áNational Science Foundation, National Center for Science and Engineering Statistics, Academic R&D Expenditure, Higher Education R&D Expenditures (various years).
Excel table Download data (Current dollars only) (53.5 KB) | Print