|
| Commodity | 2005 | 2006 | 2009 | 2010 | 2011 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $335 | | | $30 | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | | $143 | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | $5,591 | | |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | | $18 | | | $26,553 |
| Total | $335 | $18 | $5,591 | $173 | $26,553 |
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