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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $116 | $4,874 | $629 | $50 | $4,537 | $1,333 | $1,748 |
| Articulated link chain other than roller chain, of iron/steel | $805 | $1,892 | $13,224 | $18,378 | $364 | | $42 |
| Parts of articulated link chain of iron/steel | $773 | $9,050 | $4,110 | $519 | $48 | | $1,109 |
| Skid chain of iron/steel | $38,599 | $57,156 | $103,312 | $106,139 | $138,126 | $14,238 | $99,789 |
| Stud-link chain of iron/steel | | | | $7,313 | | | $232 |
| Welded link chain of iron/steel | $27,134 | $24,681 | $144 | $25,520 | | | $8,416 |
| Chain, of iron/steel, n.e.s. in 73.15 | $18,146 | $35,258 | $78,400 | $122,891 | $96,504 | $97,665 | $9,005 |
| Parts of chains (excl. articulated link chain), of iron/steel | $773 | $9,390 | $3,323 | $6,559 | $1,882 | $18,228 | $19,420 |
| Total | $86,346 | $142,301 | $203,142 | $287,369 | $241,461 | $131,464 | $139,761 |
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