Commodity2005200620102011
Wire-bars of ref. copper, unwrought $118$1,150 
Unwrought prods. of ref. copper (excl. of 7403.11-7403.13)$341 $2,812 
Copper-tin base alloys (bronze), unwrought$2,281   
Copper alloys (excl. of 7403.21-7403.23; excl. master alloys of 74.05), unw ...$311  $648
Total$2,933$118$3,962$648