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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Roller chain of iron/steel | $280,007 | $357,280 | $471,220 | $346,112 | $337,681 | $484,519 |
| Articulated link chain other than roller chain, of iron/steel | $558,226 | $913,221 | $895,155 | $834,364 | $650,047 | $1,066,618 |
| Parts of articulated link chain of iron/steel | $95,963 | $148,457 | $95,656 | $145,387 | $122,614 | $114,152 |
| Skid chain of iron/steel | $13,211 | $103,880 | $3,953 | $1,608 | $7,942 | $4,920 |
| Stud-link chain of iron/steel | $5,301 | $22,331 | $20,206 | $3,704 | $45,442 | $16,533 |
| Welded link chain of iron/steel | $110,334 | $174,014 | $339,423 | $229,193 | $186,582 | $199,962 |
| Chain, of iron/steel, n.e.s. in 73.15 | $344,141 | $593,406 | $300,278 | $383,392 | $278,773 | $363,252 |
| Parts of chains (excl. articulated link chain), of iron/steel | $76,237 | $112,245 | $82,344 | $68,114 | $49,077 | $155,318 |
| Total | $1,483,420 | $2,424,834 | $2,208,235 | $2,011,874 | $1,678,158 | $2,405,274 |
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