|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | | $25,031 | $100 | | $7,083 | | $14,404 |
| Articulated link chain other than roller chain, of iron/steel | $5,736 | $79,636 | $56,497 | $40,743 | $67,703 | $1,115 | $19,150 |
| Parts of articulated link chain of iron/steel | $50,757 | $18,298 | | | | | $19,770 |
| Skid chain of iron/steel | $10,177 | | | | | | |
| Welded link chain of iron/steel | | $1,451 | | | | | |
| Chain, of iron/steel, n.e.s. in 73.15 | $48,580 | $173,337 | $33,716 | $42,285 | $56,802 | $111,058 | |
| Parts of chains (excl. articulated link chain), of iron/steel | $134,527 | $1,032,426 | $317,016 | $117,941 | $24,470 | $3,824 | $7,795 |
| Total | $249,777 | $1,330,179 | $407,329 | $200,969 | $156,058 | $115,997 | $61,119 |
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