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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 ... | | | $4,457 | $44,922,015 | $1,942,931 | $4,852 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | | $39,613,589 | $401,029 | $97,099 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $12,437 | $20,859 | $91,051 | $1,430,321 | $1,077,907 | $18,261 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | $113,128 | $69,599 | | | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | | | $11,304 | $268,113 | $140,803 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $945 | $1,487 | | | $106,533 | $19,851 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $1,768 | $27,692 | $1,320,534 | $1,323,190 | $875,778 | $183,289 |
| Total | $15,150 | $163,166 | $1,485,641 | $87,300,419 | $4,672,291 | $464,155 |
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