Figure 14 



National R&D Expenditures, 1961-72 



By Character of Work 



(Billions of Dollars) 

 20 



Current dollars 



Development 



^■^ Constant 1958 dollars 



BjSiC reseafctl 



J I L 



J \ L 



1961 63 65 '67 '69 71 72 



(est.) 

 (al GNP price deflator was used to convert current to constant dollars 



SOURCE National Science Foundation 



By Source 



(Billions of Dollars) 



Universities ? Collepes 



1961 '63 65 '67 '69 71 72 



(est,) 

 (a) GNP price deflator was used to convert current to constant dollars 



NOTE Other nonprolit institutions R&D expenditures increased from $110 million 

 in 1961 to $235 iriilion in 1972 



22 



