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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $20,151 | $74,562 | $14,790 | $55,515 | $20,289 | $120,987 | $216,684 |
| Articulated link chain other than roller chain, of iron/steel | $8,845 | $3,271 | $26,381 | $5,740 | $983 | $228,871 | $113,046 |
| Parts of articulated link chain of iron/steel | $2,412 | $255 | $5,612 | $67,417 | | $1,804 | $25 |
| Skid chain of iron/steel | | $306 | | $107 | $1,591 | | $569 |
| Stud-link chain of iron/steel | $1,615 | $343 | $232 | $407 | $94 | $72 | $1,835 |
| Welded link chain of iron/steel | $7,872 | $572 | $8,048 | $361 | $53 | $22,084 | $227,840 |
| Chain, of iron/steel, n.e.s. in 73.15 | $397 | $36,413 | $13,473 | $14,407 | $2,349 | $44,270 | $73,920 |
| Parts of chains (excl. articulated link chain), of iron/steel | $26,230 | $91,287 | $2,182 | $8,781 | $235 | $15,812 | $32,025 |
| Total | $67,522 | $207,009 | $70,718 | $152,735 | $25,594 | $433,900 | $665,944 |
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