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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Roller chain of iron/steel | $172,442 | $246,492 | $108,464 | $215,664 | $458,062 | $638,858 |
| Articulated link chain other than roller chain, of iron/steel | $294,132 | $364,324 | $453,955 | $791,018 | $571,393 | $676,000 |
| Parts of articulated link chain of iron/steel | $66,666 | $63,769 | $94,887 | $33,167 | $47,995 | $55,037 |
| Skid chain of iron/steel | $567 | $1,166 | $6,622 | $6,038 | $56,526 | $9,240 |
| Stud-link chain of iron/steel | $1,352 | $3,331 | $386 | $4,512 | $17,170 | $8,660 |
| Welded link chain of iron/steel | $11,202 | $3,853 | $17,814 | $15,129 | $14,286 | $3,656 |
| Chain, of iron/steel, n.e.s. in 73.15 | $469,008 | $334,217 | $392,108 | $378,384 | $456,609 | $325,622 |
| Parts of chains (excl. articulated link chain), of iron/steel | $18,154 | $12,151 | $38,680 | $53,475 | $86,962 | $32,543 |
| Total | $1,033,523 | $1,029,303 | $1,112,916 | $1,497,387 | $1,709,003 | $1,749,616 |
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