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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 ... | $155 | $305 | $142 | $33 | $17,509 | $4,194 | $12,349 |
| Washers (incl. spring washers) of copper | $602 | $97 | $679 | $50 | $1,777 | $682 | $3,411 |
| Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ... | | $13 | $225 | $2,122 | | | $32 |
| Threaded arts. of copper (excl. of 7415.33) | $4,256 | $8,302 | $9,084 | $11,902 | $13,794 | $5,830 | $15,782 |
| Total | $5,013 | $8,717 | $10,130 | $14,107 | $33,080 | $10,706 | $31,574 |
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