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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $2,361,858 | $1,966,176 | $1,440,475 | $1,416,724 | $1,586,227 | $1,724,452 | $3,244,407 |
| Articulated link chain other than roller chain, of iron/steel | $3,346,225 | $5,865,974 | $6,382,904 | $5,604,195 | $5,034,203 | $4,003,330 | $3,885,585 |
| Parts of articulated link chain of iron/steel | $201,651 | $276,392 | $445,336 | $549,216 | $421,777 | $374,081 | $264,261 |
| Skid chain of iron/steel | $269,886 | $252,004 | $302,639 | $210,439 | $264,649 | $239,488 | $414,455 |
| Stud-link chain of iron/steel | $28,055 | $5,870 | $31,839 | $9,029 | $16,207 | $5,420 | $3,748 |
| Welded link chain of iron/steel | $989,981 | $685,976 | $1,186,443 | $1,615,539 | $1,434,411 | $786,066 | $921,005 |
| Chain, of iron/steel, n.e.s. in 73.15 | $919,146 | $1,979,962 | $730,708 | $601,578 | $614,442 | $947,950 | $1,262,539 |
| Parts of chains (excl. articulated link chain), of iron/steel | $2,830,542 | $3,626,615 | $3,337,203 | $5,266,926 | $3,676,756 | $3,479,064 | $5,049,605 |
| Total | $10,947,344 | $14,658,969 | $13,857,547 | $15,273,646 | $13,048,672 | $11,559,851 | $15,045,605 |
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