DEMAND FOR TIMBER PRODUCTS 



163 



Relationships 



commercial buildings 



Expenditures for new nonresidential construction 



1967 dollars 



Total expenditures 



300 400 500 600 700 800 900 



Gross national product (billion dollars) 



100 

 80 

 60 



commercial buildings 





■lllllll 



■■ 



1945 1950 1960 1970 1980 1990 2000 



30 



other buildings 



ill 



!■■■■■■■ 



"" 



1970 



iimn 



300 400 500 600 700 800 900 



Gross national product (billion dollars) 



1945 1950 1960 1970 1980 1990 2000 



300 400 500 600 700 800 900 



Gross notional product (billion dollars) 



1945 1950 1960 1970 1980 1990 2000 



Figure 63 



507-045 0-73-12 



