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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $352,981 | $395,984 | $563,352 | $723,779 | $757,668 | $674,032 | $500,299 |
| Articulated link chain other than roller chain, of iron/steel | $1,424,672 | $498,380 | $359,229 | $254,346 | $271,580 | $268,644 | $234,664 |
| Parts of articulated link chain of iron/steel | $59,961 | $48,736 | $132,004 | $55,120 | $115,954 | $158,882 | $73,441 |
| Skid chain of iron/steel | | $13 | | $88,833 | $1,023 | $11,152 | $10,191 |
| Stud-link chain of iron/steel | $28,829 | $424 | $54 | $28,972 | | $105,658 | $453,494 |
| Welded link chain of iron/steel | $62,571 | $106,959 | $177,090 | $56,691 | $153,297 | $55,692 | $108,100 |
| Chain, of iron/steel, n.e.s. in 73.15 | $10,969,704 | $517,058 | $2,452,101 | $750,718 | $1,275,527 | $711,047 | $1,316,630 |
| Parts of chains (excl. articulated link chain), of iron/steel | $42,127 | $70,542 | $102,203 | $102,831 | $136,801 | $196,890 | $58,470 |
| Total | $12,940,845 | $1,638,096 | $3,786,033 | $2,061,290 | $2,711,850 | $2,181,997 | $2,755,289 |
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