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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $1,702 | $1,338 | $6,443 | $44,582 | $14,420 | $28,682 | $43,983 |
| Articulated link chain other than roller chain, of iron/steel | $22,754 | $96,079 | $60,915 | $31,732 | $15,438 | $15,873 | $45,437 |
| Parts of articulated link chain of iron/steel | $495 | $2,358 | $1,132 | $426 | $846 | $33 | $30,393 |
| Skid chain of iron/steel | | | $154 | $72 | | $2,352 | |
| Stud-link chain of iron/steel | $23,169 | $19,600 | $5,750 | $12,236 | $13,576 | $23,755 | $12,661 |
| Welded link chain of iron/steel | $6,141 | $21,382 | $11,910 | $3,555 | $9,152 | $4,049 | |
| Chain, of iron/steel, n.e.s. in 73.15 | $41,534 | $132,395 | $64,110 | $89,226 | $89,036 | $83,439 | $124,461 |
| Total | $95,795 | $273,152 | $150,414 | $181,829 | $142,468 | $158,183 | $256,935 |
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