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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Roller chain of iron/steel | | | $915 | $6,986 | | $3,053 |
| Articulated link chain other than roller chain, of iron/steel | $5,642 | $79,586 | $43,906 | $5,653 | $9,439 | $3,017 |
| Parts of articulated link chain of iron/steel | $19 | | $180 | $8 | $73 | |
| Welded link chain of iron/steel | | $159 | | | $10,102 | $6,303 |
| Chain, of iron/steel, n.e.s. in 73.15 | $20,885 | $1,070 | $3,082 | $29,443 | $1,053 | $6,342 |
| Parts of chains (excl. articulated link chain), of iron/steel | | $110,007 | $10,935 | | | $257 |
| Total | $26,546 | $190,822 | $59,018 | $42,090 | $20,667 | $18,972 |
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