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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $268 | $5,884 | $58,743 | $16,431 | $93,745 | $293,860 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $6,743 | $5,160 | $41,736 | $76,650 | $174,482 | $156,658 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $30,607 | $544,954 | $441,050 | $844,421 | $795,607 | $1,856,521 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $8,660 | $255,621 | $411,969 | $162,434 | $5,617 | $609,104 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | | $35,205 | $8,432 | $32,321 | $48,463 | $25,837 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $2,618 | $264,460 | $141,611 | $162,874 | $304,122 | $1,003,832 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $1,147,128 | $4,021,128 | $7,314,639 | $5,789,746 | $7,435,570 | $11,017,706 |
| Total | $1,196,024 | $5,132,412 | $8,418,180 | $7,084,877 | $8,857,606 | $14,963,518 |
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