Commodity2005200620072008200920102011
Nails, tacks, drawing pins, staples (excl. of 83.05) & sim. arts., of coppe ...$1,669$2,432$161$1,529$1,276  
Washers (incl. spring washers) of copper$1,173$593$449$9,063$83,856$2,366$7,162
Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ...$28,020$41,747$79,179$128,265$335,920$405,236$486,010
Threaded arts. of copper (excl. of 7415.33)$38,512$83,608$805,838$423,316$56,955$179,492$87,116
Total$69,374$128,380$885,627$562,173$478,007$587,094$580,288