Table 1-2. Scientists and engineers' engaged in R&D, by country, 1963-73 



' Includes all scientists and engineers (full-time equivalent basis) Data for the United Kingdom are not available. 



SOURCE Organisation for Economic Co-operation and Development, International Survey of Resources Devoted to R&D by OECD Member Countries, for 

 1963. 1964. 1967. 1969. and 1971. United Nations. Demographic Yearbook. 1972 and UN estimates for 1973. U.S.S.R. estimates by Robert W. Campbell, 

 Department of Economics. Indiana University. 



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