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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $71,950 | $43,512 | $127,142 | $44,235 | $22,265 | $45,201 | $113,457 |
| Articulated link chain other than roller chain, of iron/steel | $4,242 | $37,183 | $25,281 | $54,423 | $65,108 | $13,278 | $270,761 |
| Parts of articulated link chain of iron/steel | $6,409 | $12,449 | $402 | $886 | $1,565 | $652 | $2,303 |
| Skid chain of iron/steel | $25,428 | $3,507 | $36,691 | $44,339 | $73,457 | $210,686 | $169,474 |
| Stud-link chain of iron/steel | $38,638 | $4,687 | | | | $4,321 | |
| Welded link chain of iron/steel | $27,062 | $92,086 | | | $643 | | $25,085 |
| Chain, of iron/steel, n.e.s. in 73.15 | $346,697 | $511,038 | $537,001 | $262,312 | $254,713 | $174,439 | $553,478 |
| Parts of chains (excl. articulated link chain), of iron/steel | $3,884 | $3,095 | $9,299 | $4,910 | $17,166 | $27,568 | $23,237 |
| Total | $524,310 | $707,557 | $735,816 | $411,105 | $434,917 | $476,145 | $1,157,795 |
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