Commodity2005200620072008200920102011
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... $2,365     
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... $2,001     
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...  $113,378$158,054$282,187$567$391,770
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...$4,993$42,953 $207,464 $335,343 
Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ...$5,513$47,184$5,337$28,943$24,701$4,450$698,842
Total$10,506$94,503$118,715$394,461$306,888$340,360$1,090,612