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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 ... | | | | | $487 | $405 | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $64,944 | $56,090 | $18,981 | | | $14,832 | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $829 | $87 | $2,440 | $18,552 | $54,571 | $5,906 | $178,248 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | | | $45 | | | $68 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | | $2,350 | $7,485 | $1,673 | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $753 | $314 | | $325 | $1,167,281 | $38 | $1,013 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $53,359 | $1,751 | $148,522 | $116,346 | $165,872 | $131,006 | $382,642 |
| Total | $119,885 | $58,242 | $169,943 | $137,618 | $1,395,696 | $153,860 | $561,971 |
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