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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | | | | $1,487 | | $292 |
| Articulated link chain other than roller chain, of iron/steel | | $525 | $5,920 | | $2,824 | |
| Parts of articulated link chain of iron/steel | | | | $10 | | |
| Skid chain of iron/steel | | | | | $3,017 | |
| Stud-link chain of iron/steel | | | $345 | | | |
| Welded link chain of iron/steel | | | | $257 | $1,695 | |
| Chain, of iron/steel, n.e.s. in 73.15 | $70 | $3,725 | $3,524 | | $2,643 | $66,201 |
| Parts of chains (excl. articulated link chain), of iron/steel | | $1,145 | | $12 | $1,406 | |
| Total | $70 | $5,395 | $9,789 | $1,766 | $11,585 | $66,493 |
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