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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Roller chain of iron/steel | $328,166 | $255,217 | $330,132 | $443,338 | $276,578 | $415,239 |
| Articulated link chain other than roller chain, of iron/steel | $305,813 | $523,738 | $596,477 | $723,888 | $807,883 | $764,455 |
| Parts of articulated link chain of iron/steel | $50,665 | $39,649 | $104,655 | $151,312 | $95,125 | $48,681 |
| Skid chain of iron/steel | $30,011 | $1,864 | $718 | $17,269 | | $16,557 |
| Stud-link chain of iron/steel | $727 | $24,835 | $78,722 | $371,140 | $81,624 | $39,561 |
| Welded link chain of iron/steel | $38,897 | $107,014 | $191,259 | $159,095 | $84,546 | $63,518 |
| Chain, of iron/steel, n.e.s. in 73.15 | $151,081 | $170,635 | $300,307 | $460,760 | $692,178 | $273,010 |
| Parts of chains (excl. articulated link chain), of iron/steel | $26,273 | $24,398 | $258,344 | $218,280 | $257,155 | $42,078 |
| Total | $931,633 | $1,147,350 | $1,860,614 | $2,545,082 | $2,295,089 | $1,663,099 |
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