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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $5,669 | $2,519 | $626 | $50,713 | $5,521 | $5,687 | $9,133 |
| Articulated link chain other than roller chain, of iron/steel | | $17,160 | $106,203 | $72,207 | $68,370 | $72,563 | $123,543 |
| Parts of articulated link chain of iron/steel | $560 | $175 | $28,859 | $5,422 | $2,408 | $4,295 | $9,756 |
| Skid chain of iron/steel | $5 | | | | $1,571 | | $20 |
| Stud-link chain of iron/steel | | | | $863 | $1,423 | | $1,602 |
| Welded link chain of iron/steel | | | | | $6,182 | $5 | $5,695 |
| Chain, of iron/steel, n.e.s. in 73.15 | $25 | $235 | $1,372 | $6,311 | $40,927 | $122,661 | $130,025 |
| Parts of chains (excl. articulated link chain), of iron/steel | $388 | $140 | $848 | $102 | $1,026 | $874 | $326 |
| Total | $6,647 | $20,229 | $137,908 | $135,618 | $127,428 | $206,085 | $280,100 |
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