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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 ... | | | | | $33,760 | | $25,070 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | $71 | $17,048 | $181 | | | $20 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | $819 | $37,125 | | | $749 | $41 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | | | | $526 | | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | | $1,359 | $575,128 | | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $35 | | $25,733 | | | | |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $3,147 | $53,053 | | | $113 | $6,079 | |
| Total | $3,182 | $53,943 | $79,906 | $1,540 | $609,527 | $6,828 | $25,131 |
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