Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$10,498,415$22,047,591$21,923,428$31,127,257$27,493,747$17,406,815$12,106,680
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel$13,767,453$55,528,320$29,559,707$77,482,174$100,876,254$54,399,711$37,973,844
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$4,275,857$5,247,402$10,184,406$11,512,505$7,804,280$4,908,694$11,308,000
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$18,230,212$26,104,929$25,232,412$59,172,886$47,971,296$40,006,639$35,007,058
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$640,921$1,341,303$8,434,106$3,483,418$2,656,769$7,747,218$6,241,965
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$3,975,217$4,642,325$5,164,928$8,928,071$8,018,218$3,584,719$7,326,347
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$40,150,869$57,496,807$77,335,058$102,499,260$43,305,377$48,863,978$74,435,922
Total$91,538,944$172,408,677$177,834,045$294,205,571$238,125,941$176,917,774$184,399,816