Commodity2005200620072008200920102011
Billets of ref. copper, unwrought$1,758      
Unwrought prods. of ref. copper (excl. of 7403.11-7403.13)$215$2,692  $229$630 
Copper-zinc base alloys (brass), unwrought $1,786$38,221$3,253$1,490  
Copper-tin base alloys (bronze), unwrought$183,570$139,605$538,561$218,289$69,588$140,655$7,964
Copper-nickel base alloys (cupro-nickel)/copper-nickel-zinc base alloys (ni ... $7,102     
Total$185,543$151,185$576,782$221,542$71,307$141,285$7,964