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| Commodity | 2005 | 2007 | 2008 | 2009 | 2010 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $14,281 | | | | |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | | $734 | $2,563 | $1,025 | $13,791 |
| Total | $14,281 | $734 | $2,563 | $1,025 | $13,791 |
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