|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $28,452 | $296,720 | $296,204 | $315,465 | $451,482 | $553,503 | $544,011 |
| Articulated link chain other than roller chain, of iron/steel | $321,183 | $812,910 | $1,730,597 | $1,974,849 | $1,180,152 | $2,627,856 | $3,419,938 |
| Parts of articulated link chain of iron/steel | $43,003 | $250,839 | $274,526 | $354,342 | $418,454 | $116,407 | $356,102 |
| Skid chain of iron/steel | $4,128 | $8,686 | $65,299 | $68,021 | $16,043 | $58,545 | $66,722 |
| Stud-link chain of iron/steel | $27,234 | $51,690 | $26,056 | $66,878 | $21,850 | $161,809 | $55,210 |
| Welded link chain of iron/steel | $263,821 | $202,455 | $408,196 | $619,269 | $676,337 | $737,542 | $1,040,544 |
| Chain, of iron/steel, n.e.s. in 73.15 | $299,085 | $118,971 | $312,540 | $320,055 | $283,793 | $248,972 | $292,058 |
| Parts of chains (excl. articulated link chain), of iron/steel | $7,697 | $65,514 | $44,348 | $88,645 | $81,099 | $303,958 | $801,528 |
| Total | $994,603 | $1,807,785 | $3,157,766 | $3,807,524 | $3,129,210 | $4,808,592 | $6,576,113 |
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