|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $150 | $11,635 | | | $348 | | $9,000 |
| Articulated link chain other than roller chain, of iron/steel | $992 | $7,183 | $31,359 | $23,451 | $18,826 | $4,694 | $24,000 |
| Skid chain of iron/steel | | $4,158 | | | | | |
| Stud-link chain of iron/steel | $12,774 | $5,708 | | | | | |
| Welded link chain of iron/steel | | | | $276 | | | |
| Chain, of iron/steel, n.e.s. in 73.15 | $3,491 | $1,548 | $1,976 | $3,222 | $52,070 | | $3,000 |
| Parts of chains (excl. articulated link chain), of iron/steel | | | $38 | $153 | $1,313 | | $3,000 |
| Total | $17,407 | $30,232 | $33,373 | $27,102 | $72,557 | $4,694 | $39,000 |
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