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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $16,623 | $63,602 | $65,512 | $181,114 | $27,331 | $34,437 | $80,999 |
| Articulated link chain other than roller chain, of iron/steel | $1,732,616 | $580,835 | $978,579 | $1,112,190 | $897,170 | $577,745 | $288,602 |
| Parts of articulated link chain of iron/steel | $6,724 | $10,383 | $16,016 | $22,774 | $27,209 | $9,228 | $50,897 |
| Skid chain of iron/steel | $116,544 | $164,403 | $47,008 | $72,538 | $124,191 | $119,384 | $114,887 |
| Stud-link chain of iron/steel | $155 | $1,126 | $7,810 | $4,398 | $795 | $1,561 | $7,942 |
| Welded link chain of iron/steel | $14,498 | $22,786 | $59,677 | $33,007 | $40,027 | $48,504 | $91,860 |
| Chain, of iron/steel, n.e.s. in 73.15 | $231,997 | $620,660 | $1,700,783 | $590,156 | $710,866 | $510,476 | $469,966 |
| Parts of chains (excl. articulated link chain), of iron/steel | $66,612 | $38,524 | $20,186 | $29,252 | $20,954 | $46,201 | $40,045 |
| Total | $2,185,769 | $1,502,319 | $2,895,571 | $2,045,429 | $1,848,543 | $1,347,536 | $1,145,198 |
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