Commodity200520062007200820092010
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...     $242,783
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...$315,302$271,015$119,799$220,695$497,339$125,371
Casing of a kind used in drilling for oil/gas, having circular cross-sectio ...     $11,036
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...$133$399$8,469$301 $7,057
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...$6,757$1,427$162$228,446 $486
Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ...$216,639$267,507$597,840$50,211$44,971$36,228
Total$538,831$540,348$726,270$499,653$542,310$422,961