Commodity2005200620072008200920102011
Nails, tacks, drawing pins, staples (excl. of 83.05) & sim. arts., of coppe ...$12,308$874$2,612$263$417$4,111 
Washers (incl. spring washers) of copper$1,213$6,730$129$239$1,287$8,195$13,464
Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ...$1,523$1,780$3,726$544$5$1,068$397
Threaded arts. of copper (excl. of 7415.33)$1,778$5,465$3,384$18,068$39,434$176$239
Total$16,822$14,849$9,851$19,114$41,143$13,550$14,100