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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $106,836 | $92,603 | $36,458 | $34,549 | $10,568 | $74,313 | $15,097 |
| Articulated link chain other than roller chain, of iron/steel | $5,487 | $7,743 | $2,875 | $6,607 | $1,052 | | |
| Parts of articulated link chain of iron/steel | $2,994 | $1,002 | $4,166 | $460 | | | |
| Skid chain of iron/steel | | $375 | $448 | | | | |
| Stud-link chain of iron/steel | $27,778 | $47,435 | $123,194 | $10,935 | $13,393 | $15,019 | $5,688 |
| Welded link chain of iron/steel | $54,429 | $60,964 | $85,120 | $74,437 | $49,798 | $70,041 | $83,640 |
| Chain, of iron/steel, n.e.s. in 73.15 | $61,987 | $74,661 | $31,152 | $49,367 | $53,350 | $43,363 | $28,109 |
| Parts of chains (excl. articulated link chain), of iron/steel | $292 | $109,961 | $6,865 | $1,870 | $248 | | |
| Total | $259,803 | $394,744 | $290,278 | $178,225 | $128,409 | $202,736 | $132,534 |
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