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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 ... | | | | $14 | $2,015 | $589 | $89 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $19,391 | $25,595 | $8,030 | $133,263 | $100,775 | $533 | $13,708 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $46,026 | $14,669 | $10,083 | $998,144 | $524,747 | $32,280 | $8,566,523 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $9,142 | $879 | $110,715 | $5,647,101 | | $76,925 | $31,683 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | | $6,429 | | $120 | $630 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $10,815 | $95,142 | $8,730 | $88,675 | $24,144 | $10,301 | $22,627 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $185,583 | $46,917 | $278,155 | $296,878 | $26,883 | $427,353 | $188,511 |
| Total | $270,957 | $183,202 | $415,713 | $7,170,504 | $678,564 | $548,101 | $8,823,771 |
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