Commodity2005200620072008200920102011
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...$4,242   $119,576 $2,228
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... $87,239$729,636 $61,490$55,003$51,592
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...  $4,456$299,603  $874,472
Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ...$8,332$162,365$119,410$2,111$55,932$5,237$1,432
Total$12,574$249,604$853,502$301,714$236,998$60,240$929,724