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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $669,777 | $657,071 | $1,065,679 | $1,137,978 | $683,181 | $820,463 | $1,217,586 |
| Articulated link chain other than roller chain, of iron/steel | $1,092,265 | $1,365,120 | $1,518,493 | $1,949,366 | $1,241,636 | $1,597,529 | $1,482,627 |
| Parts of articulated link chain of iron/steel | $178,893 | $221,705 | $221,619 | $296,831 | $226,832 | $274,901 | $226,871 |
| Skid chain of iron/steel | $2,534 | $15,977 | $18,678 | $14,129 | $2,632 | $1,606 | $26,080 |
| Stud-link chain of iron/steel | $69,102 | $58,240 | $27,576 | $61,107 | $31,624 | $13,376 | $29,630 |
| Welded link chain of iron/steel | $222,015 | $226,806 | $259,320 | $343,529 | $236,023 | $273,309 | $409,143 |
| Chain, of iron/steel, n.e.s. in 73.15 | $567,847 | $874,665 | $842,771 | $1,214,360 | $788,621 | $1,235,420 | $1,147,478 |
| Parts of chains (excl. articulated link chain), of iron/steel | $118,813 | $179,918 | $223,714 | $217,547 | $144,178 | $173,443 | $414,489 |
| Total | $2,921,246 | $3,599,502 | $4,177,850 | $5,234,847 | $3,354,727 | $4,390,047 | $4,953,904 |
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