Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$196,450$222,084$294,680$66,756$38,462$46,172$200,732
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel  $9,298   $341,853
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$1,585,208$4,464,882$5,374,361$8,717,435$2,997,722$3,046,062$1,781,276
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$422,029$625,322$1,174,639$1,004,394$797,751$1,152,309$3,339,869
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$514,930$400,439$668,626$780,913$497,322$244,271$347,897
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$4,715,882$5,927,225$6,618,806$9,362,606$5,967,968$4,721,268$3,849,867
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$471,457$823,369$1,579,501$830,131$1,248,311$375,085$427,697
Total$7,905,956$12,463,321$15,719,911$20,762,235$11,547,536$9,585,167$10,289,191