Commodity200520062007200820102011
Cathodes & sections of cathodes, of ref. copper, unwrought  $925$4,049$938 
Wire-bars of ref. copper, unwrought     $914
Unwrought prods. of ref. copper (excl. of 7403.11-7403.13)$143$1,423$1,969  $1,690
Copper-zinc base alloys (brass), unwrought    $33 
Copper-tin base alloys (bronze), unwrought$61,558   $18,414$34,974
Copper alloys (excl. of 7403.21-7403.23; excl. master alloys of 74.05), unw ...  $911  $1,186
Total$61,701$1,423$3,805$4,049$19,385$38,764