Commodity2005200620072008200920102011
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...    $6$58,629 
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...  $13,171 $1,408 $67,541
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...$12,710$11,912$11,399$17$7,495$1,704$5,590
Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... $1,189 $276,074$72,341 $8,392
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...   $178,905 $5,694$3,227
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...$4,080$109$2,192$410$93,790$998$8,606
Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ...$21,260$20,872$74,368$9,140$100,667$26,971$67,138
Total$38,050$34,082$101,130$464,546$275,707$93,996$160,494