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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 ... | | | $2,548 | | $236,433 | | $653 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $31,928 | | | | | $36,106 | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | $19,143 | $3,975 | | | | $13,036 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $242 | | | $189,289 | | $16,505 | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $13,757 | $76,427 | | $10,900 | | | $128 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | $42,770 | $149,243 | | $375 | |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | | $501 | $230 | | $324 | $107,311 | $18,024 |
| Total | $45,927 | $96,071 | $49,523 | $349,432 | $236,757 | $160,297 | $31,841 |
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