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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 ... | $5,656 | $58,305 | | $101,029 | $113,541 | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | $20,004 | $9,351 | | $3,430 | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | $3,284 | $21,915 | $48,758 | $6,799 | $4,168 | $5,488 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $250 | | $23,969 | | $9,854 | $35,022 | $24,191 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | | | | $14,992 | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $307 | | | | | $5,155 | |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | | | | $104,842 | $8,130 | | $7,737 |
| Total | $6,213 | $61,589 | $65,888 | $263,980 | $138,324 | $62,767 | $37,416 |
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