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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $688,995,000 | $1,153,380,000 | $1,113,107,000 | $1,104,029,000 | $982,069,000 | $987,974,792 | $1,947,065,003 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $89,090,000 | $40,945,000 | $64,013,000 | $114,265,000 | $122,490,000 | $99,337,821 | $81,880,673 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $164,420,000 | $135,587,000 | $206,811,000 | $289,271,000 | $177,817,000 | $91,795,826 | $65,462,936 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $15,747,000 | $11,106,000 | $25,958,000 | $19,522,000 | $9,716,000 | $1,722,522 | $170,426 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $318,020,000 | $404,985,000 | $463,009,000 | $582,789,000 | $453,454,000 | $446,107,921 | $592,229,942 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $10,976,000 | $34,860,000 | $36,484,000 | $28,607,000 | $20,067,000 | $16,789,286 | $26,142,008 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $579,000 | $671,000 | $1,408,000 | $1,622,000 | $830,000 | | |
| Total | $1,287,827,000 | $1,781,534,000 | $1,910,790,000 | $2,140,105,000 | $1,766,443,000 | $1,643,728,168 | $2,712,950,988 |
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