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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $7,930 | $15,969 | $304,435 | $105,519 | $99,028 | $219,465 | $707,224 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | | $1,751 | $40,114 | $40,180 | $73,331 | $587,976 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $23,347 | $102,731 | $271,973 | $96,249 | $410,144 | $325,668 | $401,946 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $2,303 | $129,850 | $7,962 | | $20,793 | $39,495 | $13,781 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $14,344 | $17,868 | $260,740 | $28,031 | $47,157 | $16,240 | $361,353 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $21,397 | $135,393 | $193,229 | $300,051 | $164,204 | $639,810 | $391,634 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $602,877 | $939,577 | $1,230,757 | $1,318,041 | $289,731 | $412,500 | $596,348 |
| Total | $672,198 | $1,341,388 | $2,270,847 | $1,888,005 | $1,071,237 | $1,726,509 | $3,060,262 |
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