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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $184,000 | | | | | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $2,000 | $41,000 | | $495,000 | | $282,000 | $42,000 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $897,000 | $753,000 | $2,422,000 | $793,000 | $622,000 | $367,000 | $216,000 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $22,000 | | | | $2,421,000 | $575,000 | $958,000 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $252,000 | | $17,000 | $17,000 | $2,000 | $2,000 | $121,000 |
| Total | $1,357,000 | $794,000 | $2,439,000 | $1,305,000 | $3,045,000 | $1,226,000 | $1,337,000 |
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