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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Roller chain of iron/steel | $252,518 | $94,833 | $217,438 | $318,997 | $202,731 | $224,295 |
| Articulated link chain other than roller chain, of iron/steel | $34,579 | $116,628 | $171,017 | $337,379 | $86,008 | $134,444 |
| Parts of articulated link chain of iron/steel | $38,120 | $27,330 | $138,524 | $225,341 | $13,423 | $14,002 |
| Skid chain of iron/steel | $59,305 | $47,266 | $67,603 | $261,535 | $247,173 | $82,726 |
| Stud-link chain of iron/steel | $6,695 | $2,339 | $1,563 | $577 | $3,090 | $327 |
| Welded link chain of iron/steel | $186,039 | $148,375 | $118,192 | $279,469 | $184,474 | $158,701 |
| Chain, of iron/steel, n.e.s. in 73.15 | $122,463 | $126,066 | $73,079 | $114,812 | $102,675 | $188,431 |
| Parts of chains (excl. articulated link chain), of iron/steel | $70,361 | $29,952 | $94,851 | $147,387 | $51,012 | $22,648 |
| Total | $770,080 | $592,789 | $882,267 | $1,685,497 | $890,586 | $825,574 |
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