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| Commodity | 2005 | 2006 | 2008 | 2009 | 2010 | 2011 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $89,563 | | | | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | $218,185 | $46,124 | $13,969 | $232,250 | $29,396 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | | | $4,288 | | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $1,489 | | | | | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | $21,308 | $19,866 | | | |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $31,263 | $183 | $417 | $940 | $5,136 | |
| Total | $122,315 | $239,676 | $66,407 | $19,197 | $237,386 | $29,396 |
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