Commodity200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...  $614   
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel    $57,200$33,762
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$154,906$323,913$460,792$145,621$75,273 
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...     $6,960
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$140,854$339,175$507,035$201,204$210,503$30,104
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$100$273$32  $194
Total$295,860$663,361$968,473$346,825$342,976$71,020