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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $540,829 | $522,723 | $688,721 | $1,351,092 | $1,207,503 | $2,712,005 | $2,123,449 |
| Articulated link chain other than roller chain, of iron/steel | $533,358 | $575,424 | $762,498 | $1,362,737 | $820,069 | $1,642,398 | $2,329,678 |
| Parts of articulated link chain of iron/steel | $46,430 | $71,822 | $143,555 | $149,266 | $199,216 | $212,823 | $370,113 |
| Skid chain of iron/steel | $16,646 | $42,517 | $72,267 | $1,970 | $22,528 | $9,579 | $5,829 |
| Stud-link chain of iron/steel | $21,043 | $56 | $30,858 | $5,336 | $4,509 | $10,479 | $33,503 |
| Welded link chain of iron/steel | $178,396 | $202,444 | $359,444 | $495,033 | $327,459 | $280,458 | $493,133 |
| Chain, of iron/steel, n.e.s. in 73.15 | $167,418 | $191,555 | $125,023 | $319,269 | $215,021 | $338,654 | $312,137 |
| Parts of chains (excl. articulated link chain), of iron/steel | $41,547 | $26,099 | $99,995 | $195,652 | $96,005 | $144,711 | $195,331 |
| Total | $1,545,667 | $1,632,640 | $2,282,361 | $3,880,355 | $2,892,310 | $5,351,107 | $5,863,173 |
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