Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...    $109 $730
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...    $705$11,680$4,587
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$520      
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$6,618,066   $1,286 $473
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... $8,317  $5,890$1,542 
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$341,776$22,088$4,393$33,422$33,847$12,077$53,574
Total$6,960,362$30,405$4,393$33,422$41,837$25,299$59,364