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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $33,491 | $8,894 | $1,795 | $7,754 | $23,232 | $70,933 | $16,166 |
| Articulated link chain other than roller chain, of iron/steel | $12,692 | $3,240 | $25,891 | $6,319 | $81,027 | $34,054 | $26,717 |
| Parts of articulated link chain of iron/steel | $4 | $10,998 | $35,437 | $48 | $12,358 | $651 | $14 |
| Skid chain of iron/steel | $15 | | $1,820 | $285 | $40 | | $7,759 |
| Stud-link chain of iron/steel | | | $275 | $1,017 | $32,056 | $7,182 | |
| Welded link chain of iron/steel | $4,058 | $7,407 | $124,192 | $4,876 | $10,565 | $75,752 | $25,818 |
| Chain, of iron/steel, n.e.s. in 73.15 | $114,007 | $157,705 | $61,144 | $153,266 | $148,047 | $105,599 | $314,057 |
| Parts of chains (excl. articulated link chain), of iron/steel | $32,309 | $20,902 | $7,167 | $113,445 | $154,734 | $27,137 | $9,422 |
| Total | $196,576 | $209,146 | $257,721 | $287,010 | $462,059 | $321,308 | $399,953 |
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