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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 ... | $1,143 | $18,780 | $533 | $2,754 | $20,628 | | $2,971 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | | | | $1,954 | $2,521 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | | | | $38,870 | $13,022 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | | | | | $47 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $1,017 | $214,439 | $4,351 | $7,335 | | $318 | $1,936 |
| Total | $2,160 | $233,219 | $4,884 | $10,089 | $20,628 | $41,142 | $20,497 |
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