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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Roller chain of iron/steel | $2,838 | $5,589 | $3,672 | $19,753 | $12,512 | $26,570 |
| Articulated link chain other than roller chain, of iron/steel | $22,165 | $39,899 | $37,096 | $38,453 | $39,014 | $113,024 |
| Parts of articulated link chain of iron/steel | $391 | $3 | $9,091 | $31,919 | $2,041 | $363 |
| Skid chain of iron/steel | | | | $51 | | |
| Stud-link chain of iron/steel | $77 | | $434 | $4,853 | $6 | $660 |
| Welded link chain of iron/steel | $2,103 | $448 | | | $1,873 | |
| Chain, of iron/steel, n.e.s. in 73.15 | $696 | $360 | $525 | $2 | $1,525 | $17,865 |
| Parts of chains (excl. articulated link chain), of iron/steel | $2,058 | $12,882 | $3,464 | $27,434 | $1,873 | $5,786 |
| Total | $30,328 | $59,181 | $54,282 | $122,465 | $58,844 | $164,268 |
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