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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 ... | $311,601 | $344,129 | $534,061 | $1,299,049 | $1,325,212 | $1,666,229 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $1,271 | $15,545 | $2,465 | $1,781 | $1,776 | $2,600 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $1,709,052 | $3,290,528 | $6,779,951 | $11,536,201 | $6,815,725 | $9,764,685 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $89,642 | $273,212 | $512,855 | $414,970 | $242,376 | $514,966 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $678,754 | $11,084 | $100,457 | $14,358 | $192,846 | $17,577 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $2,376,132 | $3,130,517 | $6,962,725 | $11,315,408 | $6,304,573 | $10,901,391 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $726,408 | $496,754 | $1,060,844 | $1,416,286 | $2,209,771 | $1,231,402 |
| Total | $5,892,860 | $7,561,769 | $15,953,358 | $25,998,053 | $17,092,279 | $24,098,850 |
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