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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 ... | $94 | $91,806 | $151,511 | | $1,862 | $4,534 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $3,201 | $936 | $130,018 | | $1,210 | $2,999 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $365,562 | $960,811 | $33,046 | $24,361 | $28,755 | $37,043 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $1,904 | $74,612 | $133,382 | $77,689 | $88,096 | $5,969 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $16,385 | $254,930 | $78,783 | $109,016 | $16,428 | $2,109,962 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $42,216 | $27,502 | $16,985 | $109,125 | $20,417 | $549,609 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $346,703 | $667,811 | $655,991 | $114,640 | $1,347,771 | $3,497,580 |
| Total | $776,065 | $2,078,408 | $1,199,716 | $434,831 | $1,504,539 | $6,207,696 |
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