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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 ... | $1,531 | $28,892 | $159,553 | $40,709 | $122,578 | $74,487 | $355,696 |
| Washers (incl. spring washers) of copper | $172,260 | $103,785 | $106,768 | $1,417,604 | $813,371 | $3,229,459 | $1,242,960 |
| Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ... | $158,225 | $70,432 | $61,778 | $109,597 | $178,816 | $235,192 | $706,354 |
| Threaded arts. of copper (excl. of 7415.33) | $644,987 | $222,955 | $290,235 | $308,869 | $266,142 | $876,761 | $489,104 |
| Total | $977,003 | $426,064 | $618,334 | $1,876,779 | $1,380,907 | $4,415,899 | $2,794,114 |
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