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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | $118,524 | $292,427 | | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | $316,071 | $9,037 | $135,438 | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $52 | $220 | $28,977 | $17 | $866 | $35,288 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $58,482 | $456,671 | $353,333 | $20,325 | $1,874 | $38,009 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $25,334 | | $18,717 | | $5,590 | $2,044,861 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $412 | $20,829 | $38 | $2,197 | | $5,151 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $25,565 | $5,074 | $2,581 | $19,371 | $2,776 | $6,397 |
| Total | $109,845 | $917,389 | $705,110 | $177,348 | $11,106 | $2,129,706 |
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