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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $66,882 | $243,889 | $298,923 | $377,732 | $335,781 | $377,707 | $417,752 |
| Articulated link chain other than roller chain, of iron/steel | $526,416 | $527,377 | $761,456 | $304,044 | $468,299 | $677,584 | $500,839 |
| Parts of articulated link chain of iron/steel | $44,516 | $61,418 | $62,126 | $76,592 | $1,058,859 | $136,167 | $89,086 |
| Skid chain of iron/steel | $5,865 | $14,816 | $18,878 | $14,607 | $41,344 | $57,527 | $203,373 |
| Stud-link chain of iron/steel | $7,348 | $4,688 | $41,081 | $11,848 | $12,217 | $14,668 | $73,426 |
| Welded link chain of iron/steel | $18,085 | $30,684 | $42,242 | $10,762 | $6,996 | $37,851 | $66,911 |
| Chain, of iron/steel, n.e.s. in 73.15 | $557,791 | $197,073 | $164,631 | $530,548 | $318,304 | $315,090 | $394,450 |
| Parts of chains (excl. articulated link chain), of iron/steel | $11,956 | $10,713 | $13,648 | $34,957 | $3,131 | $76,131 | $52,913 |
| Total | $1,238,859 | $1,090,658 | $1,402,985 | $1,361,090 | $2,244,931 | $1,692,725 | $1,798,750 |
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