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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $578,000 | $584,000 | $889,000 | $1,244,000 | $1,254,000 | $1,231,000 | $1,488,000 |
| Articulated link chain other than roller chain, of iron/steel | $270,000 | $390,000 | $675,000 | $744,000 | $443,000 | $762,000 | $831,000 |
| Parts of articulated link chain of iron/steel | $75,000 | $80,000 | $31,000 | $66,000 | $36,000 | $32,000 | $50,000 |
| Skid chain of iron/steel | $232,000 | $329,000 | $140,000 | $87,000 | $138,000 | $145,000 | $229,000 |
| Stud-link chain of iron/steel | $41,000 | $19,000 | $18,000 | $13,000 | $20,000 | $22,000 | $26,000 |
| Welded link chain of iron/steel | $101,000 | $193,000 | $652,000 | $201,000 | $1,581,000 | $511,000 | $181,000 |
| Chain, of iron/steel, n.e.s. in 73.15 | $1,986,000 | $515,000 | $413,000 | $211,000 | $936,000 | $434,000 | $118,000 |
| Parts of chains (excl. articulated link chain), of iron/steel | $50,000 | $59,000 | $44,000 | $36,000 | $50,000 | $16,000 | $292,000 |
| Total | $3,333,000 | $2,169,000 | $2,862,000 | $2,602,000 | $4,458,000 | $3,153,000 | $3,215,000 |
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