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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Roller chain of iron/steel | $6,802 | $1,649 | $23,646 | $40,722 |
| Articulated link chain other than roller chain, of iron/steel | $1,310 | $30,509 | $6,764 | $8,500 |
| Parts of articulated link chain of iron/steel | | $7,345 | $566 | $2,004 |
| Skid chain of iron/steel | $5,440 | $2,331 | $1,831 | $1,089 |
| Stud-link chain of iron/steel | $5,069 | $29 | $15,210 | $12,905 |
| Welded link chain of iron/steel | $14,851 | $3,539 | $2,905 | $8,222 |
| Chain, of iron/steel, n.e.s. in 73.15 | $101,990 | $4,058 | $17,242 | $93,202 |
| Parts of chains (excl. articulated link chain), of iron/steel | $2,795 | | $54,628 | $3,804 |
| Total | $138,257 | $49,460 | $122,792 | $170,448 |
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