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USA: Key R&D statistics

ItemYear
Population in million311.672008
GDP in billion PPP USD13,841.32007
GERD/GDP (%)2.682007
Gross Expenditure on R&D (millions PPP USD)368,799.02007
Business R&D Expenditure (millions PPP USD)265,166.52007
TOTAL R&D Personnel 2007
Business R&D Personnel 2007
Total No. of researchers1,425,5502007
PCT International Phase filings53,5212008
PCT National Phase entries126,9882007
No. of Patents in force1,815,5312007
Trademarks in force by office1,334,8802007
Industrial designs in force by office215,1122007
Internet Users in million230.632008

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Source: The World Factbook