Material price changes from November 2008 to December 2008

Percent changes from November 2008 to December 2008/ November 2007 to November 2008

Gasoline – -26.1/ -51.4

No. 2 Diesel fuel β€” -23.7 / -36.9

Crude petroleum β€” -31.0 / -57.9

Plastic construction products β€” -1.5 / +3.3

Hardwood lumber β€” -1.9 / -7.0

Plywood β€” -1.1 / -5.0

Steel mill products β€” -12.4 / +5.3

Aluminum mill shapes β€” -4.9 / -5.9

Copper and brass mill shapes β€” -9.6 / -24.3

Fabricated structural metal products – -0.9 / +12.6

Cement β€” -0.6 / -0.5

Concrete products β€” 0.0 / +4.2

Asphalt felts and coatings – -1.1 / +51.7

Gypsum products β€” +0.1 / +7.3

Iron ore – 0.0/ +12.1

Iron and steel scrap β€” +13.8 / -40.7

Copper base scrap β€” -5.1 / -52.7

Construction sand, gravel, and crushed stone – 0.0 / +6.6

Construction machinery and equipment β€” +0.2/ +5.3

Tire, tube, thread, etc. β€” -0.7/ +10.9

Light motor trucks β€” +0.1 / +2.3

Heavy motor trucks β€” +0.2/ +3.6

Truck trailers β€” -0.4 / +4.8