Commodity20062007200820092011
Copper plates, sheets & strip, of a thkns. >0.15mm, of copper-zinc base all ... $1,796 $1,994 
Copper plates, sheets & strip, of a thkns. >0.15mm, of copper-tin base allo ...$502 $448 $34,685
Total$502$1,796$448$1,994$34,685