Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...     $260,120$5,042
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel   $1,281 $61,716$5,274
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$37,911$19,053$615$886$8,928$22,554$31,554
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...  $8,941$81,257 $9,713 
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... $156,897$7,882$16$547  
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...  $4,395$11,030   
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... $2,512$1,980$125,751$792,474$40,726$102,662
Total$37,911$178,462$23,813$220,221$801,949$394,829$144,532