|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | | | | | $639 | $523 | $2,935 |
| Articulated link chain other than roller chain, of iron/steel | $1,854 | | $1,899 | $1,722 | $1,090 | $60 | $18,758 |
| Parts of articulated link chain of iron/steel | | | $7,272 | | | | $397 |
| Skid chain of iron/steel | | | | $1,042 | $526 | | |
| Stud-link chain of iron/steel | | $891 | | | | | $1,073 |
| Welded link chain of iron/steel | | | | $43,133 | | | $10,833 |
| Chain, of iron/steel, n.e.s. in 73.15 | | $321 | | $680 | $3,308 | | |
| Total | $1,854 | $1,212 | $9,171 | $46,577 | $5,563 | $583 | $33,996 |
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