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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $56,707 | $31,482 | $96,145 | $504,761 | $699,618 | $585,233 | $142,996 |
| Articulated link chain other than roller chain, of iron/steel | $49,194 | $106,016 | $96,227 | $331,192 | $161,496 | $118,878 | $49,433 |
| Parts of articulated link chain of iron/steel | $2,795 | $2,188 | $1,195 | $17,768 | $1,476 | $29,658 | $64,152 |
| Skid chain of iron/steel | $33,145 | $6,015 | $60,338 | $103,914 | $167,286 | $70,589 | $16,533 |
| Stud-link chain of iron/steel | | $2,571 | $5,787 | $67,508 | $16,200 | $307 | $5,000 |
| Welded link chain of iron/steel | $951 | $103,600 | $103,721 | $175,077 | $66,070 | $335,925 | $440,860 |
| Chain, of iron/steel, n.e.s. in 73.15 | $242,943 | $63,270 | $155,516 | $686,000 | $464,053 | $1,099,225 | $1,554,404 |
| Parts of chains (excl. articulated link chain), of iron/steel | $135,769 | $49,806 | $92,203 | $277,995 | $118,489 | $206,829 | $444,046 |
| Total | $521,504 | $364,948 | $611,132 | $2,164,215 | $1,694,688 | $2,446,644 | $2,717,424 |
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