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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $3,067,414 | $3,267,582 | $4,656,270 | $6,098,548 | $5,236,642 | $7,177,195 | $6,603,476 |
| Articulated link chain other than roller chain, of iron/steel | $1,416,310 | $1,088,333 | $1,206,567 | $1,937,302 | $1,303,421 | $1,401,554 | $1,412,297 |
| Parts of articulated link chain of iron/steel | $212,879 | $145,034 | $336,231 | $426,765 | $283,596 | $1,272,623 | $1,783,859 |
| Skid chain of iron/steel | $185,283 | $87,350 | $130,033 | $76,935 | $142,013 | $235,630 | $312,277 |
| Stud-link chain of iron/steel | $23,546 | $373,226 | $622,085 | $681,505 | $631,375 | $417,295 | $914,695 |
| Welded link chain of iron/steel | $950,689 | $1,015,697 | $1,280,136 | $1,382,964 | $1,280,844 | $1,729,031 | $1,826,085 |
| Chain, of iron/steel, n.e.s. in 73.15 | $537,342 | $494,367 | $895,526 | $1,126,436 | $584,427 | $756,850 | $649,399 |
| Parts of chains (excl. articulated link chain), of iron/steel | $132,850 | $169,168 | $367,440 | $333,740 | $295,659 | $336,209 | $381,747 |
| Total | $6,526,313 | $6,640,757 | $9,494,288 | $12,064,195 | $9,757,977 | $13,326,387 | $13,883,835 |
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