Commodity200520062007200820092010
Cathodes & sections of cathodes, of ref. copper, unwrought$26,922   $775 
Unwrought prods. of ref. copper (excl. of 7403.11-7403.13)$113 $18$1,443$36,314$1,166
Copper-zinc base alloys (brass), unwrought $22,087  $523$331
Copper-tin base alloys (bronze), unwrought$12,952     
Copper alloys (excl. of 7403.21-7403.23; excl. master alloys of 74.05), unw ...$970$14,597$12,185$18,080$5,912$31,061
Total$40,957$36,684$12,203$19,523$43,524$32,558