|
| Commodity | 2005 | 2006 | 2008 |
| Roller chain of iron/steel | | | $256,050 |
| Articulated link chain other than roller chain, of iron/steel | $2,204 | $1,133 | $5,640 |
| Parts of articulated link chain of iron/steel | | $16 | $51,347 |
| Stud-link chain of iron/steel | | $903 | $1,443 |
| Welded link chain of iron/steel | | $18 | $8,607 |
| Chain, of iron/steel, n.e.s. in 73.15 | $11 | | $39 |
| Parts of chains (excl. articulated link chain), of iron/steel | | | $1,461 |
| Total | $2,215 | $2,070 | $324,587 |
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