Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$60,469$103,953$58,546$259,238$14,137$98,889$50,911
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel  $2,985$118,248   
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$1,458,353$2,638,731$3,638,809$5,701,020$1,038,769$3,352,557$6,035,577
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$1,917,807$4,702,902$5,421,761$5,265,565$2,674,490$3,361,915$4,363,906
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$14,116$55,090$15,692$151,042$2,543$6,667$42,223
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$3,198,127$7,558,667$9,657,057$17,127,032$6,082,353$4,209,064$8,389,064
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$837,339$1,313,585$1,812,007$2,321,737$32,300,923$5,255,283$10,705,648
Total$7,486,211$16,372,928$20,606,857$30,943,882$42,113,215$16,284,375$29,587,329