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Table A-19. Imputed amounts for headcount of R&D personnel, by type of personnel: FY 2014

Type of personnel All R&D personnel Imputed amount Imputed amount as % of total
All personnel 911,834 118,337 13.0
Principal investigators 153,914 14,467 9.4
Other personnel 757,920 98,489 13.0
NOTES: This table includes only institutions reporting $1 million or more in total R&D expenditures in FY 2013. Institutions reporting less than $1 million in total R&D expenditures in FY 2013 completed a shorter version of the survey form in FY 2014, and that form did not include this question.
SOURCE: National Science Foundation, National Center for Science and Engineering Statistics, Higher Education Research and Development Survey, FY 2014.