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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 ... | | | $91 | | $3,155 | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | $53,166 | | | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $4,930 | | | $19,062 | $5,754 | $16,239 | $202,616 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | $192,230 | $108,034 | $282,262 | $2,539 | $32,957 | $116,465 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $171,589 | $170,769 | $1,143,510 | $216,864 | $1,979,356 | | $39 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $41,782 | $193,220 | $3,167 | $187,519 | $4,560 | $41,272 | $8,051 |
| Total | $218,301 | $556,219 | $1,307,968 | $705,707 | $1,995,364 | $90,468 | $327,171 |
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