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| Commodity | 2008 | 2009 | 2010 |
| Roller chain of iron/steel | $7,539 | $8,163 | $7,815 |
| Articulated link chain other than roller chain, of iron/steel | $6,402 | $24,724 | $8,455 |
| Parts of articulated link chain of iron/steel | $86 | $132 | $180 |
| Skid chain of iron/steel | $128 | $25 | $18 |
| Welded link chain of iron/steel | $2,788 | $194 | $377 |
| Chain, of iron/steel, n.e.s. in 73.15 | $1,018 | $1,965 | $4,866 |
| Parts of chains (excl. articulated link chain), of iron/steel | | $4 | $345 |
| Total | $17,961 | $35,207 | $22,056 |
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