Material price changes from April 2007 to May 2007

Percent changes from April 2007 to May 2007/ May 2006 to May 2007

Gasoline โ€” +12.1/ +13.9

No. 2 Diesel fuel โ€” -4.8/ -5.5

Crude petroleum โ€” +1.9/ -11.4

Plastic construction products โ€” +0.8/ -0.9

Hardwood lumber โ€” +0.3/ -1.5

Plywood โ€” +1.3/ -0.7

Steel mill products โ€” -1.3/ +13.9

Aluminum mill shapes โ€” +0.5/ +4.7

Copper and brass mill shapes โ€” -0.8/ +4.2

Fabricated structural metal products โ€” +0.4/ +4.7

Cement โ€” +1.1/ +6.4

Concrete products โ€” +0.1/ +4.5

Asphalt felts and coatings โ€” -0.6/ +3.1

Gypsum products โ€” -5.6/ -14.1

Iron ore โ€” 0/ -4.9

Iron and steel scrap โ€” -10.5/ +11.8

Copper base scrap โ€” +10.3/ +9.1

Construction sand, gravel, and crushed stone โ€” +0.5/ +9.0

Construction machinery and equipment โ€” +0.1/ +2.2

Tire, tube, thread, etc. โ€” +0.7/ +3.9

Light motor trucks โ€” -0.3/ -0.4

Heavy motor trucks โ€” 0/ +6.8

Truck trailers โ€” -0.2/ +2.8