Commodity200520062007200820092010
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$8,909$7,458 $1,160  
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel  $16,636$55,233$5,067 
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...  $315$20,557$20,979$1,622
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$649$3,800$131,901$167$14,134 
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$387 $556 $1,705 
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$6,178$49,693$64,569$3,411$5,777$10,743
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$6,364$4,149$25,364$21,893$1,217$12,063
Total$22,487$65,100$239,341$102,421$48,879$24,428