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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 ... | | | | $801 | | $900 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | | $2,382 | | $6,164 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | | $147,724 | $411,485 | $15,100 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | | | | $489,527 | $424,482 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $53,087,527 | $78,386,419 | $45,271,705 | $104,348,257 | $78,039,411 | $62,060,175 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | | $5,202 | $130,213 | $151,332 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | | | | $13,810 | $62,081 | $6,049 |
| Total | $53,087,527 | $78,386,419 | $45,271,705 | $104,518,176 | $79,132,717 | $62,664,202 |
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