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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 ... | | $6,512 | | $400,912 | | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $4,889 | | | $478 | $331 | $2,354 | $230 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | | | | | $25,430 | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $4,573 | $1,722 | $19,293 | $2,563 | $5,282 | $64,440 | $6,108 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $99 | $2,810 | | | $49,005 | $377 | $1,364 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $9,790 | $7,693 | $940 | $122,496 | $31,262 | $417 | $13,194 |
| Total | $19,351 | $18,737 | $20,233 | $526,449 | $85,880 | $93,018 | $20,896 |
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