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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Roller chain of iron/steel | $2,556 | $2,076 | $7,803 | $2,999 | $1,530 |
| Articulated link chain other than roller chain, of iron/steel | $30,289 | $38,687 | $87,968 | $73,491 | $15,029 |
| Parts of articulated link chain of iron/steel | | | | $298 | $132 |
| Skid chain of iron/steel | | | $217 | | |
| Stud-link chain of iron/steel | | $1,651 | $577 | $8,764 | $124,590 |
| Welded link chain of iron/steel | $1,155 | $2,659 | $179 | $3,084 | $1,909 |
| Chain, of iron/steel, n.e.s. in 73.15 | $7,322 | $28,330 | $16,919 | $17,056 | $15,219 |
| Parts of chains (excl. articulated link chain), of iron/steel | $3,476 | $154 | $947 | $2,121 | $1,424 |
| Total | $44,798 | $73,557 | $114,610 | $107,813 | $159,833 |
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