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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 ... | $1,092 | | | | $77 | | $2,860 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $7,652 | | $8,509 | $220,015 | $3,462 | $300,042 | $11,414 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | $3,406 | $851 | $238 | | $367,870 | $408 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | | $23,305 | | $5,532 | |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | | | $84,924 | $60,398 | $3,407 | $5,467 | $436 |
| Total | $8,744 | $3,406 | $94,284 | $303,956 | $6,946 | $678,911 | $15,118 |
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