Commodity2005200620072008
Unwrought prods. of ref. copper (excl. of 7403.11-7403.13)  $336 
Copper-zinc base alloys (brass), unwrought$40,259$35,098$87,952$145,464
Copper-tin base alloys (bronze), unwrought   $16
Total$40,259$35,098$88,288$145,480