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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Roller chain of iron/steel | $503 | $2,108 | $975 | $190 | $370 | $6,020 |
| Articulated link chain other than roller chain, of iron/steel | $21,727 | $11,746 | $26,076 | $22,947 | $31,237 | $14,404 |
| Parts of articulated link chain of iron/steel | $404 | $473 | $49 | $1,384 | $476 | $44 |
| Skid chain of iron/steel | | | | $389 | | |
| Stud-link chain of iron/steel | $2,288 | $106 | $1,986 | $983 | $237 | $1,417 |
| Welded link chain of iron/steel | $794 | $43 | $5,055 | $9,112 | $9,685 | $2,282 |
| Chain, of iron/steel, n.e.s. in 73.15 | $10,611 | $12,721 | $5,908 | $9,178 | $98,747 | $2,172 |
| Parts of chains (excl. articulated link chain), of iron/steel | $56 | $31 | $194 | $224 | $1,417 | $1,034 |
| Total | $36,383 | $27,228 | $40,243 | $44,407 | $142,169 | $27,373 |
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