Commodity20052006200720082010
Nails, tacks, drawing pins, staples (excl. of 83.05) & sim. arts., of coppe ...$5,521$3,063 $24,382$67,136
Washers (incl. spring washers) of copper$44$33$17  
Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ...$88$3,097$2,210$6,763 
Threaded arts. of copper (excl. of 7415.33)$380$3,254$114,285$397$21,646
Total$6,033$9,447$116,512$31,542$88,782