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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 ... | $10,502 | $8,826 | $172 | $285 | $12,649 | | $24,989 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $52,289,517 | $72,530 | $150,618 | $365,113 | $6,249 | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $591,401 | $1,276,467 | $449,966 | $37,371 | $69,661 | $383,229 | $240,179 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $18,069 | $392 | $60 | $62,378 | $64,917 | $3,139,353 | $12,532,369 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $364,571 | $108,457 | $87,366 | $28,974 | $69,480 | $73,369 | $71,597 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $79,757 | $35,524 | $136,518 | $211,001 | | $12,493 | $24,807 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $60,410 | $1,271,246 | $16,369 | $1,036,384 | $862,479 | $383,404 | $189,333 |
| Total | $53,414,227 | $2,773,442 | $841,069 | $1,741,506 | $1,085,435 | $3,991,848 | $13,083,274 |
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