Commodity200520062007200820092010
Nails, tacks, drawing pins, staples (excl. of 83.05) & sim. arts., of coppe ...$1,381$1,148$2,145$1,360$1,877$1,537
Washers (incl. spring washers) of copper $461$187$381$13$134
Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ...$872$673$3,511 $219 
Threaded arts. of copper (excl. of 7415.33)$184$152$1,571$876$5,361 
Total$2,437$2,434$7,414$2,617$7,470$1,671