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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 ... | $2,000 | $166,000 | | $286,000 | $225,000 | $1,167,000 | $827,000 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | | | | $18,000 | $49,000 | $54,000 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $26,000 | | $108,000 | $40,000 | $14,000 | $69,000 | $172,000 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | | $85,000 | $22,000 | $1,000 | $25,000 | $10,000 | $54,000 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | | $29,000 | | | $2,000 | $10,000 | |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | | | | $4,000 | $2,512,000 | $87,000 | $21,000 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $2,713,000 | $2,007,000 | $1,373,000 | $8,294,000 | $2,637,000 | $7,206,000 | $9,768,000 |
| Total | $2,741,000 | $2,287,000 | $1,503,000 | $8,625,000 | $5,433,000 | $8,598,000 | $10,896,000 |
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