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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $3,705 | | | | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | $290 | | $678 | $164 | $1,934 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $14,001 | $26,600 | $3,798 | $243 | $6,820 | $28,175 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | | | | $4,379 | $1,067 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | $8,778 | $36,508 | $472,449 | $4,876 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | $54,153 | $32,040 | $775 | $152,736 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $23,712 | $2,981 | $132,457 | $9,124 | $29,926 | $41,196 |
| Total | $41,418 | $29,871 | $199,186 | $78,593 | $514,513 | $229,984 |
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