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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 ... | $352 | $19,379 | $90,199 | $785 | $54,015 | $64,716 | $80,507 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $1,123,145 | | $160 | $1,479 | $2,314 | $17,623 | $1,643 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $4,020,999 | $6,694,635 | $8,938,126 | $14,928,717 | $6,582,616 | $8,226,958 | $6,529,386 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $210,045 | $373,877 | $879,804 | $1,027,462 | $737,425 | $864,311 | $2,346,938 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $19,502 | $24,525 | $290,538 | $469,225 | $477,594 | $604,045 | $966,214 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $688,294 | $398,708 | $577,698 | $994,904 | $1,305,582 | $2,745,360 | $6,160,990 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $83,832 | $33,755 | $95,256 | $184,086 | $338,707 | $259,624 | $468,761 |
| Total | $6,146,169 | $7,544,879 | $10,871,781 | $17,606,658 | $9,498,253 | $12,782,637 | $16,554,439 |
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