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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 ... | $7,316 | $9,386 | $3,920 | $2,846 | $12,991 | $8,737 | $29,238 |
| Washers (incl. spring washers) of copper | $19,657 | $5,537 | $569 | $30,992 | $7,885 | $5,627 | $18,252 |
| Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ... | $19,848 | $2,662 | $27,848 | $139,042 | $102,680 | $3,941 | $69,972 |
| Threaded arts. of copper (excl. of 7415.33) | | | | $2,016 | $9,449 | $309,796 | $74,355 |
| Total | $46,821 | $17,585 | $32,337 | $174,896 | $133,005 | $328,101 | $191,817 |
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