Table 14d. National R&D expenditures, by character 

 of work, 1961-72 



[Dollars in billions] 



' GNP price tJeflator was useci to convert current to constant dollars. 



Source: National Science Foundation, National Pallerns of RiD Resources. 1953-73 (NSF 73-303), 



Table 15. Scientists and engineers' employed in R&D, by sector, 1961-72 



[In thousands] 



Full-time equivalents 

 Source: National Science Foundation, Nalional Pallerns ol R&D Resources. 1953-73 (NSF 73-303). 



110 



