Commodity200520062007200820092010
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... $187 $15,219$35,614$14,729
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel    $8,201 
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$6,241$24,911$7,181$60,634$5,573$1,307
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$51,677$375  $104$14,402
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...   $2,023 $8,512
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$19,311$352$3,737$10,478$6,553$9,680
Total$77,229$25,825$10,918$88,354$56,045$48,630