|
| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | | $6,967 | $527 | $5,441 | | |
| Articulated link chain other than roller chain, of iron/steel | $4 | | $11,469 | $66,120 | $13,661 | $11,122 |
| Parts of articulated link chain of iron/steel | | | $1,643 | $2,047 | $2,253 | |
| Skid chain of iron/steel | | $110 | $136 | | | |
| Stud-link chain of iron/steel | | $1,449 | | $3 | | |
| Chain, of iron/steel, n.e.s. in 73.15 | | $2,097 | $1,537 | | $536 | $339 |
| Parts of chains (excl. articulated link chain), of iron/steel | | | | | | $5 |
| Total | $4 | $10,623 | $15,312 | $73,611 | $16,450 | $11,466 |
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