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| Commodity | 2005 | 2006 | 2007 | 2009 | 2010 | 2011 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $46,246 | $72,084 | $89,582 | $123,166 | $45,438 | $15,461 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $45 | $2,354 | $177 | | | |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $89 | | $381 | $158 | $9,279 | $668 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $10,227 | $869 | $22,417 | $2,514 | $8,544 | $1,844 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $2,618 | $10,471 | $1,696 | $22,206 | $2,046 | $4,059 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | | $6,420 | $467 | $27,256 | $2,151 | $6,852 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $461,912 | $657,760 | $603,427 | $442,091 | $329,769 | $282,796 |
| Total | $521,137 | $749,958 | $718,147 | $617,391 | $397,227 | $311,680 |
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