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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $6,959 | $5,953 | $1,165 | $281 | | | $2,021 |
| Articulated link chain other than roller chain, of iron/steel | $684 | $1,354 | $906 | $23,968 | $2,800 | $76 | $474 |
| Parts of articulated link chain of iron/steel | | | $241 | $5,042 | $430 | | |
| Skid chain of iron/steel | | | $2,106 | | | | |
| Welded link chain of iron/steel | $517 | | | | | $40 | |
| Chain, of iron/steel, n.e.s. in 73.15 | $2,922 | $794 | $3,713 | $64 | $11,108 | $29,807 | $13,043 |
| Parts of chains (excl. articulated link chain), of iron/steel | | | | | | $53 | $2,483 |
| Total | $11,082 | $8,101 | $8,131 | $29,355 | $14,338 | $29,976 | $18,021 |
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