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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nails, tacks, drawing pins, staples (excl. of 83.05) & sim. arts., of coppe ... | $1,706 | $13,295 | $25,437 | $101,797 | $9,602 | $64,366 | $80,674 |
| Washers (incl. spring washers) of copper | $27,999 | $65,977 | $83,356 | $236,133 | $141,223 | $160,176 | $499,639 |
| Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ... | $675,237 | $1,116,702 | $4,009,035 | $3,610,035 | $1,520,364 | $2,082,287 | $3,619,058 |
| Threaded arts. of copper (excl. of 7415.33) | $1,451,698 | $1,773,000 | $1,681,917 | $1,212,105 | $598,448 | $566,688 | $519,569 |
| Total | $2,156,640 | $2,968,974 | $5,799,745 | $5,160,070 | $2,269,637 | $2,873,517 | $4,718,940 |
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