DEMAND FOR TIMBER PRODUCTS 



171 



Value of shipments of manufactured products 



1967 dollars 



Total value of shipments 



Relationships 



400 500 600 700 800 



Gross national product (billion dollars] 



800 



600 commercial and 



iT 400 industrial equipment 



5 and supplies 



o 



1940 1950 1960 1970 1980 1990 2000 



450 other products 



400 



350 



300 



200 



400 500 600 700 800 



Gross national product (billion dollars) 



1940 1950 1960 1970 1980 1990 



580 



< 



^ 520 



g 460 



all manufactured 

 products 



MB— B 



400 500 600 700 800 



Gross national product (billion dollars) 



1940 1950 1960 1970 1980 



990 2000 



Figure 65 — Continued 



