|
| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | | | | | | $2,779 |
| Articulated link chain other than roller chain, of iron/steel | $22,961 | $24,629 | $233 | $14,225 | $21,571 | $21,510 |
| Parts of articulated link chain of iron/steel | $307 | | | | | |
| Skid chain of iron/steel | | | | $1,076 | $27,889 | |
| Welded link chain of iron/steel | | $181 | | $8,394 | | |
| Chain, of iron/steel, n.e.s. in 73.15 | $3 | $169 | $29 | $21 | $330 | $346 |
| Parts of chains (excl. articulated link chain), of iron/steel | | $7,313 | | | | |
| Total | $23,271 | $32,292 | $262 | $23,716 | $49,790 | $24,635 |
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