Commodity200520062007200820092010
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$160,458$151,064$200,900$172,576$358,495$69,794
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel$135,819     
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$15,607$13,459$22,979$42$2,151$125,766
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...   $9$500 
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... $1,602$826   
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$35,109$11,698   $2,244
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$255$400$31,778$26,717$18,604$16,828
Total$347,248$178,223$256,483$199,344$379,750$214,632