Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$289,355$8,833,462$1,623,867$316,566$534,264$1,889,875$2,054,022
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel  $55,287$66,317$451$10,775$97,013
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$2,039,841$3,188,793$3,855,068$7,213,075$4,272,967$10,008,177$11,742,501
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$881,569$1,096,420$1,698,941$1,098,219$747,297$1,802,591$1,986,271
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$1,301,639$1,809,968$2,638,019$2,157,911$693,624$300,154$390,074
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$1,495,267$2,543,257$5,327,887$14,569,213$7,209,265$16,303,282$27,330,667
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$1,822,598$1,799,631$2,538,746$3,953,264$3,079,285$3,159,679$4,932,311
Total$7,830,269$19,271,531$17,737,815$29,374,565$16,537,153$33,474,533$48,532,859