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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Roller chain of iron/steel | $272,159 | $330,224 | $275,691 | $263,998 | $117,997 |
| Articulated link chain other than roller chain, of iron/steel | $657,950 | $701,386 | $33,892 | $30,576 | $16,647 |
| Parts of articulated link chain of iron/steel | $361,613 | $709,554 | $93,013 | $251,401 | $139,173 |
| Skid chain of iron/steel | $1,167 | $3,212 | $125 | $4,319 | $17,811 |
| Stud-link chain of iron/steel | $75,262 | $8,644 | $134,070 | $9,693 | $10,632 |
| Welded link chain of iron/steel | $201,727 | | $4,150 | $15,633 | $4,053 |
| Chain, of iron/steel, n.e.s. in 73.15 | $197,112 | $848,683 | $596,252 | $184,447 | $827,314 |
| Parts of chains (excl. articulated link chain), of iron/steel | $24,796 | $27,489 | $3,223 | $37,463 | $12,817 |
| Total | $1,791,786 | $2,629,192 | $1,140,416 | $797,530 | $1,146,444 |
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