Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... $21,914$270,675$55,871$874,483$746$54,844
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel $475,413$1,200$40,642$34,929$166,648$17,833
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...   $10,369$226,554 $13,642
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...    $37,516  
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...      $83,774
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$103,201$936$42,060$1,952$62,087$176,601$3,801
Total$103,201$498,263$313,935$108,834$1,235,569$343,995$173,894