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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 ... | $231,896 | $1,814 | $58,240 | $2,918 | $16,722 | $21,213 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | | | $58,697 | $33,004 | $66,531 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $300,563 | $110,691 | $260,238 | $124,967 | $125,296 | $757,775 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $112,496 | $29,875 | $1,388 | $23,012 | $32,489 | $86,915 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $66,429 | $6,575 | $22,639 | $1,214 | $48,634 | $3,213,443 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $164,424 | $2,388 | $5,825 | $7,210 | $4,076 | $215,590 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $44,470 | $33,025 | $584,197 | $1,657,378 | $411,553 | $586,394 |
| Total | $920,278 | $184,368 | $932,527 | $1,875,396 | $671,774 | $4,947,861 |
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