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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $21,734 | $30,530 | $5,657 | $17,282 | $116,517 | $110,496 | $846,000 |
| Articulated link chain other than roller chain, of iron/steel | $319,253 | $338,367 | $621,798 | $324,293 | $536,534 | $601,311 | $949,000 |
| Parts of articulated link chain of iron/steel | $51,489 | $34,253 | $79,428 | $16,129 | $10,012 | $49,422 | $321,000 |
| Skid chain of iron/steel | $9,183 | $3,742 | $11,311 | $3,345 | $27,479 | $111,373 | $5,000 |
| Stud-link chain of iron/steel | $82,460 | $21,229 | $68,791 | $235,749 | $330,282 | $1,889 | $2,000 |
| Welded link chain of iron/steel | $16,807 | $26,788 | $78,320 | $63,087 | $114,251 | $41,522 | $89,000 |
| Chain, of iron/steel, n.e.s. in 73.15 | $493,437 | $206,067 | $197,737 | $204,245 | $295,740 | $145,046 | $334,000 |
| Parts of chains (excl. articulated link chain), of iron/steel | $27,843 | $62,369 | $60,520 | $97,238 | $250,684 | $168,651 | $240,000 |
| Total | $1,022,206 | $723,345 | $1,123,562 | $961,368 | $1,681,499 | $1,229,710 | $2,786,000 |
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