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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 ... | | $9,873 | | $84,086 | $289 | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | | $125,421 | | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | $36,671 | $49,365 | | | | |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $4,674 | | | | | | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | $58,057 | | $89,551 | | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | | | $23,837 | $13,731 | $36,379 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $4,824 | $99,436 | $90,445 | $590,573 | $173,007 | $76,470 | $22,261 |
| Total | $9,498 | $145,980 | $197,867 | $800,080 | $286,684 | $90,201 | $58,640 |
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