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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | $61,176 | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $838 | $134 | | | $15,239 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | | $4,271 | | $35,566 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | | $554 | $16,493 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $40,593 | $5,442 | $21,610 | | $43,467 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $23,461 | $2,198,801 | $293,402 | $103,909 | $59,705 |
| Total | $64,892 | $2,204,377 | $380,459 | $104,463 | $170,470 |
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