Commodity200520062007200820092010
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...    $64,272 
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...$3,574,555$2,508,549$3,327,124$1,913,185$1,373,906$1,363,513
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...    $987 
Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... $109,020$56,205$73,092$27,263$8,900
Total$3,574,555$2,617,569$3,383,329$1,986,277$1,466,428$1,372,413