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| Commodity | 2005 | 2006 | 2007 | 2010 |
| Nails, tacks, drawing pins, staples (excl. of 83.05) & sim. arts., of coppe ... | $197,616 | $166,937 | $300,421 | $185,067 |
| Washers (incl. spring washers) of copper | $501,524 | $1,596,265 | $1,592,257 | $980,801 |
| Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ... | $2,311,601 | $1,813,632 | $2,240,552 | $2,350,403 |
| Threaded arts. of copper (excl. of 7415.33) | $2,783,012 | $2,491,050 | $3,819,612 | $5,653,607 |
| Total | $5,793,753 | $6,067,884 | $7,952,842 | $9,169,878 |
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