Commodity20052006200820092010
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... $1,727$18,181 $210
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... $8,554   
Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ...$828  $220$1,033
Total$828$10,281$18,181$220$1,243