Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... $109,740$6,262 $7,369$40,193 
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...  $54,254    
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... $748 $22,745$226 $49
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$13,919   $752  
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$232,458$125,417  $2,181 $37,489
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$51,618$247,805$533,246$133,386$109,740$1,420$4,580
Total$297,995$483,710$593,762$156,131$120,268$41,613$42,118