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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | $4,348 | | |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $33,365 | $10,805 | $2,138 | $10,948 | $513 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $995 | $24,521 | $31,466 | $2,571 | $3,314 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $80,495 | $85,561 | $105,855 | $103,789 | $5,634 |
| Total | $114,855 | $120,887 | $143,807 | $117,308 | $9,461 |
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