|
| Commodity | 2005 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | | | | $4 | $85 |
| Articulated link chain other than roller chain, of iron/steel | $389 | $7,228 | $72 | $74 | $191 |
| Parts of articulated link chain of iron/steel | $1,665 | | | $103 | |
| Skid chain of iron/steel | $84 | $10 | $425 | | |
| Stud-link chain of iron/steel | $301 | | | | |
| Chain, of iron/steel, n.e.s. in 73.15 | | $13 | $5,462 | $41 | $46,069 |
| Parts of chains (excl. articulated link chain), of iron/steel | | | $436 | $134 | $22,763 |
| Total | $2,439 | $7,251 | $6,395 | $356 | $69,108 |
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