338 THE OUTLOOK FOR TIMBER EST THE UNITED STATES 



Table 5. — Panel products consumed per housing unit, by type of unit, 1970, with projections (1970 relative prices) to 2000 



Year 



Hardboard (}^-lnch basis) 



Insulation board (J-^-inch basis) 



Particleboard (%-inch basis) 





One- and two- 

 family 



Multifamily 



Mobile homes 



One- and two- 

 family 



Multifamily 



Mobile homes 



ne- and two- 

 family 



Multifamily 



Mobile homes 



1970 



Square feet 

 1,000 



Square feet 

 40 



Square feet 

 170 



Square feet 

 935 



Square feet 

 40 



Square feet 

 710 



Square feet 

 250 



Square feet 

 55 



Square feet 



560 







Projections 





1980 

 1990 

 2000 



1,500 

 1,740 

 1,920 



45 

 50 

 60 



200 

 240 

 290 



855 

 775 

 720 



35 

 30 



20 



600 

 550 

 520 



420 

 590 

 740 



70 

 85 

 100 



650 

 715 

 790 



Table 6. 



-Per capita expenditures for new nonresidential construction J by construction class, 1920-70, with projections to 



2000 











Buildings 



















All classes 











Utilities, water and 

 sewer systems 4 



Highways 



All o 



ther s 





















Comm 



ercial 2 



Other ' 















Year 





























Expendi- 



Annual 



Expendi- 



Annual 



Expendi- 



Annual 



Expendi- 



Annual 



Expendi- 



Annual 



Expendi- 



Annual 





tures 



rate of 

 change 



tures 



rate of 

 change 



tures 



rate of 

 change 



tures 



rate of 

 change 



tures 



rate of 

 change 



tures 



rate of 

 change 





1967 





1967 





1967 





1967 





1967 





1967 







dollars 



Percent 



dollars 



Percent 



dollars 



Percent 



dollars 



Percent 



dollars 



Percent 



dollars 



Percent 



1920 



109 

 175 





19 

 32 





48 

 69 





21 

 37 





9 

 17 





13 



20 





1925 



9.9 



11.0 



7.5 



12.0 



13.6 



9.0 



1930 



191 



1.8 



28 



-2.6 



69 



.0 



40 



1.6 



28 



10.5 



26 



5.4 



1935 



91 



-13.8 



8 



-22.2 



25 



-18.4 



13 



-20.1 



16 



-10.6 



30 



2.9 



1940 



135 



8.2 



11 



6.6 



41 



10.4 



24 



13.1 



25 



9.3 



35 



3.1 



1945 



82 



-9.5 



5 



-14.6 



36 



-2.6 



14 



-10.2 



5 



-27.5 



22 



-8.9 



1950 



157 



13.9 



17 



27.7 



58 



10.0 



41 



24.0 



21 



33.2 



21 



-.9 



1955 



202 



5.2 



29 



11.3 



78 



6.1 



39 



-1.0 



31 



8.1 



25 



3.6 



1960 



210 



.8 



29 



.0 



79 



.3 



38 



-.5 



37 



3.6 



27 



1.6 



1965 



253 



3.8 



35 



3.8 



104 



5.7 



44 



3.0 



43 



3.1 



27 



.0 



1966 



264 



4.3 



34 



-2.9 



112 



7.7 



47 



6.8 



44 



2.3 



27 



.0 



1967 



258 



-.4 



32 



-5.9 



107 



-4.5 



48 



2.1 



43 



-2.3 



27 



.0 



1968 



262 



-.4 



36 



12.5 



100 



-7.0 



55 



14.6 



44 



2.3 



27 



.0 



1969 



258 



-1.5 



40 



11.1 



100 



0.0 



52 



-5.5 



40 



-9.1 



26 



-3.7 



1970 



242 



-6.2 



38 



-5.0 



88 



-11.1 



54 



3.8 



38 



-5.0 



24 



-7.7 



Low projections 



1980 



327 



»2.0 



50 



6 2.0 



133 



«2.2 



62 



6 2.4 



51 



«1.5 



31 



«1.4 



1990 



396 



2.0 



62 



2.2 



163 



2.1 



79 



2.5 



56 



.9 



36 



1.5 



2000 



487 



2.1 



78 



2.3 



201 



2.1 



106 



3.0 



61 



.9 



41 



1.3 



Medium projections 



1980 



337 



«2.3 



52 



6 2.4 



137 



6 2.5 



64 



6 2.7 



52 



6 1.7 



32 



6 1.7 



1990 



417 



2.1 



65 



2.3 



172 



2.3 



84 



2.8 



59 



1.3 



37 



1.5 



2000 



517 



2.2 



83 



2.5 



214 



2.2 



112 



2.9 



65 



1.0 



43 



1.5 



High projections 



1980 



344 



6 2.5 



53 



» 2. 6 



140 



« 2. 7 



65 



6 2.9 



53 



6 1.9 



33 



6 2.0 



1990 



431 



2.3 



68 



2.5 



178 



2.4 



86 



2.8 



61 



1.4 



38 



1.4 



2000 



542 



2.3 



87 



2.5 



224 



2.3 



118 



3.2 



68 



1.1 



45 



1.7 



1 Excludes expenditures for farm construction. 



2 Includes private commercial buildings such as offices, stores, warehouses, 

 and restaurants. 



3 Includes public and private nonhousekeeping, industrial, educational, 

 religious, hospital and institutional, and similar miscellaneous buildings. 



4 Includes telephone and telegraph, other public utilities, sewer systems, 

 and water supply facilities. 



6 Includes military facilities, conservation and development, railroad 

 construction except tract construction, and all other public and private 

 construction not included in other categories. 



6 Rates of increase calculated from the following 1970 trend values: all classes 

 $268; commercial buildings, $41; noncommercial, $107; utilities, water and 

 sewer systems, $49; highways, $44; and all other, $27. 



Note: Annual rates of increase are calculated for 5-year periods from 1920 

 through 1965, for 1-year periods 1965 through 1970, and for 10-year periods 

 1970 through 2000. 



Note: Data may not add to totals because of rounding. 



Sources: Calculated from information shown in text tables 114 and 125. 



