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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 ... | | | $5,121 | | | $37,702 | $93,016 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $919 | $174 | $1,120 | $73,359 | | $162,079 | $46,019 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $59,922 | | $1,508 | | $8,959 | | $14,019 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | $57,266 | $2,588 | $6,614 | $97,612 | $316,396 | $80,523 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $9,484 | $68,681 | $590 | $9,287 | $1,287 | $15,257 | $77 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $4,696 | $81,883 | $6,374 | $848,878 | $155,797 | $131,895 | $70,571 |
| Total | $75,021 | $208,004 | $17,301 | $938,138 | $263,655 | $663,329 | $304,225 |
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