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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 ... | $415 | $66,820 | $52,633 | $4,614 | $2,302 | $503 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $21,833 | $734,748 | $216,773 | $421,550 | $49,707 | $99,903 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $232,608 | $143,775 | $234,574 | $227,070 | $4,399 | $33,925 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $257,954 | $265,389 | | | $4,858 | $5,128 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $643,790 | $1,186,271 | $25,534,577 | $50,954,774 | $11,364,026 | $1,771,349 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $186,689 | $85,461 | $165,381 | $140,690 | $255,607 | $141,584 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $673,412 | $904,238 | $823,417 | $166,248 | $354,847 | $406,868 |
| Total | $2,016,701 | $3,386,702 | $27,027,355 | $51,914,946 | $12,035,746 | $2,459,260 |
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