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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 ... | $140,244 | $307 | | $445 | $232 | $2,214 | |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | | | | | | $472 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | | | | | $4,345 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $288 | $15,500 | | | | | |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $54,914 | $328,673 | $42,767 | $27,704 | $38,613 | $42,363 | $112,657 |
| Total | $195,446 | $344,480 | $42,767 | $28,149 | $38,845 | $44,577 | $117,474 |
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