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Table A-19. Imputed amounts for headcount of R&D personnel, by type of personnel: FY 2016

Type of personnel All R&D personnel Imputed amount Imputed amount as % of total
All personnel 938,501 107,228 11.4
Principal investigators 164,697 12,141 7.4
Other personnel 773,804 87,368 11.3
NOTE: This table includes only institutions reporting $1 million or more in total R&D expenditures in FY 2015. Institutions reporting less than $1 million in total R&D expenditures in FY 2015 completed a shorter version of the survey form in FY 2016, 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 2016.