Commodity20052006200720082009
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$404,353$289,183$859,498$82,110 
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel$185,275$56,559$70,237$26,503 
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$10,703 $412 $35,379
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$35,292  $8,242 
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... $962$11,951$69,967$12,033
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...   $64,217 
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$33,029$23,541$103,534$165,826$52,360
Total$668,652$370,245$1,045,632$416,865$99,772