Commodity200520062007200820092010
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...$44,314$2,230$118,251$43,866  
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...$86,051$313,890$321,804$478,764$1,242,651$58,917
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...     $787,386
Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ...$3,200$270   $43,059
Total$133,565$316,390$440,055$522,630$1,242,651$889,362