Commodity20052006200720082009
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$393$1,846$136  
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel  $2,237  
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$2,337    
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$1,742    
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... $1,213   
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$32,761$103,940$21,520$36,439$28,006
Total$37,233$106,999$23,893$36,439$28,006