|
| Commodity | 2005 | 2007 | 2008 | 2009 | 2011 |
| Roller chain of iron/steel | $16,583 | | | $279 | |
| Articulated link chain other than roller chain, of iron/steel | $64,228 | $26 | $25,984 | $340 | |
| Skid chain of iron/steel | | | | | $20,946 |
| Welded link chain of iron/steel | | $27,591 | | | |
| Chain, of iron/steel, n.e.s. in 73.15 | | | | $4,685 | $110,892 |
| Parts of chains (excl. articulated link chain), of iron/steel | $1,757 | | $2,718 | | $123,988 |
| Total | $82,568 | $27,617 | $28,702 | $5,304 | $255,826 |
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