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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Roller chain of iron/steel | $67,623 | $85,807 | $57,558 | $41,591 | $73,382 | $11,385 |
| Articulated link chain other than roller chain, of iron/steel | $279,137 | $189,459 | $292,443 | $455,481 | $212,804 | $347,543 |
| Parts of articulated link chain of iron/steel | $24,153 | $38,466 | $66,546 | $84,711 | $157,652 | $17,033 |
| Skid chain of iron/steel | $8,675 | $5,670 | $323 | $350 | $755 | |
| Stud-link chain of iron/steel | $17,813 | $59,881 | $15,517 | $38,451 | $6,617 | $32,253 |
| Welded link chain of iron/steel | $20,961 | $15,586 | $9,395 | $6,276 | $1,988 | $500 |
| Chain, of iron/steel, n.e.s. in 73.15 | $236,798 | $130,598 | $94,146 | $135,598 | $136,330 | $74,417 |
| Parts of chains (excl. articulated link chain), of iron/steel | $145,683 | $134,994 | $190,929 | $166,455 | $18,561 | $100,293 |
| Total | $800,843 | $660,461 | $726,857 | $928,913 | $608,089 | $583,424 |
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