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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Nails, tacks, drawing pins, staples (excl. of 83.05) & sim. arts., of coppe ... | $5,238 | $1,645 | $3,287 | $11,752 |
| Washers (incl. spring washers) of copper | $1,753 | $1,212 | $2,187 | $84,155 |
| Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ... | $4,250 | $3,995 | $5,461 | $149,974 |
| Threaded arts. of copper (excl. of 7415.33) | $25,369 | $27,035 | $21,911 | $27,634 |
| Total | $36,610 | $33,887 | $32,846 | $273,515 |
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