3: 



DEMAND FOR TIMBER PRODUCTS 163 



Expenditures for new nonresidential construction 



1967 dollars 

 Relationships Total expenditure s 



80 ! commercial buildings 



imercial buildings ou I 



medium „ ^ 



I ■III!!!!! 1 



8 i /~~ 



1 6 ! 



m 



4 

 1950 



500 600 700 800 900 1945 1950 I960 1970 1980 1990 2000 



Gross national product (billion dollars! 



*-,. JBSBB :B —■-*■- H 



BIB 



: iSilii 



2 



500 600 700 800 900 "45 1950 I960 1970 1980 1990 2000 



Gross national product (billion dollars) 



100 



80 



1970 60 



■■■■■■! ^e 

 !■■ ! ■■■■■■■ ■■■■ 



■,: "!■■■■ a : ' — — — = 



■■■■■■■ : 



WKk 



300 400 500 600 700 800 900 1945 1950 .960 1970 1980 



Gross national product (billion dollars) 



Figure 63 



