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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $965 | $78,080 | $7,249 | $125,430 | $10,377 | $42,698 | $28,748 |
| Articulated link chain other than roller chain, of iron/steel | $27,221 | $65,707 | $60,392 | $95,458 | $43,567 | $249,969 | $74,305 |
| Parts of articulated link chain of iron/steel | $667 | $730 | $12 | $5,310 | $5,084 | $1,845 | $4,666 |
| Skid chain of iron/steel | $8,068 | $13,378 | $1,448 | $238 | $2,160 | $246 | $10,104 |
| Stud-link chain of iron/steel | $184 | $8,916 | $4,406 | $351 | $192 | $4,797 | $117 |
| Welded link chain of iron/steel | $8,008 | $14,994 | $882 | | $190 | $5,864 | $18,077 |
| Chain, of iron/steel, n.e.s. in 73.15 | $50,412 | $89,931 | $176,340 | $453,598 | $105,521 | $91,733 | $187,610 |
| Parts of chains (excl. articulated link chain), of iron/steel | $12,560 | $1,251 | $10,076 | $39,419 | $2,584 | $4,367 | $26,959 |
| Total | $108,085 | $272,987 | $260,805 | $719,804 | $169,675 | $401,519 | $350,586 |
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