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| Commodity | 2005 | 2006 | 2008 | 2009 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $43 | | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | $1,270 | | |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | | $15,044 | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | $2,410 | | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $758 | $29,884 | | |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | | $22,808 | $21,756 | $10,000 |
| Total | $801 | $56,372 | $36,800 | $10,000 |
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