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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $50,183 | $56,570 | $81,733 | $93,672 | $63,897 | $31,587 | $198,402 |
| Articulated link chain other than roller chain, of iron/steel | $137,976 | $2,393,727 | $222,663 | $232,157 | $316,666 | $140,182 | $312,265 |
| Parts of articulated link chain of iron/steel | $38,319 | $10,072 | $91,274 | $434,011 | $23,974 | $14,209 | $75,778 |
| Skid chain of iron/steel | $139 | $74 | $2,643 | $890 | $299 | $23,366 | $779 |
| Stud-link chain of iron/steel | $2,595 | $22,964 | $21,236 | $10,657 | $16,865 | $14,943 | $28,049 |
| Welded link chain of iron/steel | $36,766 | $26,557 | $49,454 | $85,259 | $76,913 | $188,812 | $105,015 |
| Chain, of iron/steel, n.e.s. in 73.15 | $175,490 | $290,443 | $220,298 | $174,275 | $162,743 | $110,203 | $150,499 |
| Parts of chains (excl. articulated link chain), of iron/steel | $247,599 | $159,178 | $467,692 | $32,080 | $34,759 | $51,915 | $83,125 |
| Total | $689,067 | $2,959,585 | $1,156,993 | $1,063,001 | $696,116 | $575,217 | $953,912 |
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