Commodity20052006200820092011
Nails, tacks, drawing pins, staples (excl. of 83.05) & sim. arts., of coppe ...$46    
Washers (incl. spring washers) of copper  $184  
Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ... $302 $9$212
Threaded arts. of copper (excl. of 7415.33)$200  $47$3,950
Total$246$302$184$56$4,162