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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $858,643 | $398,196 | $748,307 | $620,579 | $603,661 | $562,590 | $526,126 |
| Articulated link chain other than roller chain, of iron/steel | $854,212 | $1,230,195 | $1,056,018 | $1,220,558 | $1,893,708 | $2,765,213 | $2,590,615 |
| Parts of articulated link chain of iron/steel | $53,643 | $81,627 | $48,509 | $304,745 | $49,156 | $200,036 | $220,041 |
| Skid chain of iron/steel | $9,554 | $6,448 | $283 | $174,568 | $95,833 | $10,975 | $64,491 |
| Stud-link chain of iron/steel | $23,203 | $23,921 | $6,269 | $34,882 | $45,258 | $2,263,262 | $86,152 |
| Welded link chain of iron/steel | $7,399 | $10,694 | $33,703 | $35,474 | $201,959 | $144,556 | $171,959 |
| Chain, of iron/steel, n.e.s. in 73.15 | $273,502 | $250,453 | $287,353 | $240,967 | $737,038 | $584,700 | $662,326 |
| Parts of chains (excl. articulated link chain), of iron/steel | $99,444 | $84,513 | $178,016 | $156,894 | $302,829 | $376,681 | $420,209 |
| Total | $2,179,600 | $2,086,047 | $2,358,458 | $2,788,667 | $3,929,442 | $6,908,013 | $4,741,919 |
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