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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | | | $67,247 | $599 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $262,025 | $1,575,207 | | | $574 | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | $95,598 | $158,529 | $132 | $14,568 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $23,116 | $37,758 | $1,027 | $125 | | $342 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | $1,983 | $921,183 | $75,225 | $3 | $2,863 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $3,486 | $490,858 | $161,383 | $14,943 | $54,831 | $17,441 |
| Total | $288,627 | $2,105,806 | $1,179,191 | $248,822 | $122,787 | $35,813 |
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