|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | | | | | $37,000 | $8,000 | $298,000 |
| Articulated link chain other than roller chain, of iron/steel | $8,000 | | $12,000 | | $6,000 | $4,000 | $15,000 |
| Parts of articulated link chain of iron/steel | | | | $5,000 | | $2,000 | $17,000 |
| Skid chain of iron/steel | | | $1,000 | | | $10,000 | |
| Stud-link chain of iron/steel | | | | | $80,000 | | $34,000 |
| Welded link chain of iron/steel | | | $5,000 | | | | |
| Chain, of iron/steel, n.e.s. in 73.15 | | $63,000 | $9,000 | | $4,000 | $138,000 | $24,000 |
| Parts of chains (excl. articulated link chain), of iron/steel | | $5,000 | $16,000 | $103,000 | $6,000 | $15,000 | $37,000 |
| Total | $8,000 | $68,000 | $43,000 | $108,000 | $133,000 | $177,000 | $425,000 |
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