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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 ... | $23,574,000 | $22,808,000 | $6,445,000 | $20,491,000 | $1,769,000 | $1,175,000 | $3,520,000 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $43,000 | $286,000 | $373,000 | $1,511,000 | $1,267,000 | $1,763,000 | $340,000 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $14,524,000 | $15,727,000 | $22,443,000 | $20,061,000 | $12,018,000 | $12,128,000 | $11,311,000 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $11,167,000 | $16,725,000 | $22,768,000 | $29,025,000 | $17,929,000 | $14,874,000 | $20,372,000 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $2,410,000 | $286,000 | $73,000 | $176,000 | $182,000 | $278,000 | $77,000 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $11,908,000 | $15,476,000 | $17,108,000 | $17,457,000 | $9,415,000 | $13,711,000 | $18,024,000 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $1,488,000 | $2,346,000 | $3,062,000 | $2,411,000 | $1,992,000 | $1,036,000 | $4,244,000 |
| Total | $65,114,000 | $73,654,000 | $72,272,000 | $91,132,000 | $44,572,000 | $44,965,000 | $57,888,000 |
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