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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 ... | | | | | | $1,455 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $26,481 | $15,744 | $133,541 | $39 | | |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | $404 | $4,054 | | | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $551 | $61,814 | $62,320 | | $16,110 | |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $119,374 | $586,224 | $55,426 | $11,765 | $543,296 | $763,744 |
| Total | $146,406 | $664,186 | $255,341 | $11,804 | $559,406 | $765,199 |
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