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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 ... | $37,322 | | $50,805 | | | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $23,305 | $147,226 | $35,001 | $7,295 | $51,943 | | $61 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | $800 | $20,238 | $32,473 | $33,500 | $49,290 | $28,400 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $430 | $75 | $4,749 | $676 | $800 | | |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $23,355 | $23,489 | $281 | | $19,440 | | |
| Total | $84,412 | $171,590 | $111,074 | $40,444 | $105,683 | $49,290 | $28,461 |
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