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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $145,880 | $54,529 | $63,376 | $253,439 | $71,540 | $52,818 | $70,780 |
| Articulated link chain other than roller chain, of iron/steel | $201,962 | $546,756 | $269,442 | $236,678 | $369,673 | $95,814 | $334,707 |
| Parts of articulated link chain of iron/steel | $143,965 | $80,413 | $13,593 | $219,526 | $26,350 | $1,795 | $6,307 |
| Skid chain of iron/steel | | $1,215 | $34 | | | $105 | $138,566 |
| Stud-link chain of iron/steel | | $1,686 | | $23,956 | $27,665 | $26,418 | $7,100 |
| Welded link chain of iron/steel | $7,877 | $5,794 | $73,505 | $33,795 | $20,135 | $18,683 | $57,700 |
| Chain, of iron/steel, n.e.s. in 73.15 | $217,267 | $337,291 | $80,625 | $274,788 | $207,442 | $640,777 | $322,189 |
| Parts of chains (excl. articulated link chain), of iron/steel | $39,611 | $100,982 | $207,587 | $235,750 | $119,741 | $57,334 | $56,409 |
| Total | $756,562 | $1,128,666 | $708,162 | $1,277,932 | $842,546 | $893,744 | $993,758 |
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