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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | | | $9 | $7,657 | | $160,772 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | | | $687 | | |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $8,997,305 | $14,692,761 | $19,622,068 | $4,796,400 | $67,102 | $507 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $31,546 | $28,589 | $45,186 | $1,830 | | $4,294 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $294 | $14,899 | | $384 | $26,774 | |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | | $68,198 | $10,852 | $19,746 | $1,499 | $6,444 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $1,647 | $2,256 | $30,129 | $1,980 | | $28 |
| Total | $9,030,792 | $14,806,703 | $19,708,244 | $4,828,684 | $95,375 | $172,045 |
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