Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$464,960$6,953 $5,011$3,793$32,585 
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel$520   $398$3,682$565
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$250,475$255,233$372,548$342,943$481,103$241,868$253,196
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$115,772$64,404$99,210$298,068$93,611$72,038$174,752
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$585,725$223,055$271,349$2,372,381$411,248$479,194$447,712
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$1,915,802$3,022,269$2,230,453$3,111,841$2,329,629$1,777,350$2,007,906
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$570,434$287,707$547,997$800,787$324,421$1,036,243$352,001
Total$3,903,688$3,859,621$3,521,557$6,931,031$3,644,203$3,642,960$3,236,132