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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 ... | $3,590 | | | | | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $6,779 | $3,502 | $5,597 | | $866 | $1,602,735 | $91,057 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $32,356 | $8,286 | $128,415 | $64,183 | $448,983 | $2,684,293 | $275,380 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $93,265 | $38,875 | $309,128 | $251,140 | $73,871 | $203,720 | $87,460 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $22,648 | $98,079 | | $41,054 | $14 | $276 | $11,907 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $25,083 | $1,488,598 | $58,668 | $135,937 | $291,338 | $192,761 | $59,568 |
| Total | $183,721 | $1,637,340 | $501,808 | $492,314 | $815,072 | $4,683,785 | $525,372 |
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