|
| Commodity | 2005 | 2007 | 2010 | 2011 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | $16,758 | $147,183 | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | $2,510 | $10,696 | $2,833 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | $2,729 | |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $674 | $1,459 | $3,100 | $196,506 |
| Total | $674 | $20,727 | $163,708 | $199,339 |
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