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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 ... | $401,827 | $209,176 | $1,902,435 | $4,803 | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | | $61,980 | | $337 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $25,373 | $3,692 | $1,989,259 | $153,010 | $144,685 | |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $3,060,041 | $3,659,871 | $3,614,145 | $110,302 | $386 | $265,320 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | $21,050 | | | $41 | $209 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | $38,396 | $48,119 | $1,423,450 | $9,455 | $557,533 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $540,948 | $2,465,268 | $464,184 | $3,865,168 | $312,263 | $400,300 |
| Total | $4,028,189 | $6,397,453 | $8,018,142 | $5,618,713 | $466,830 | $1,223,699 |
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