Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...   $1,434,608$21,151  
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel$10,912$3,439     
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$69,478      
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$130,624$143,465$300,429$389,570$175,859$299,395$157,964
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$14,800$132,725$28,388$2,610,600$60,083$15,326$20,755
Total$225,814$279,629$328,817$4,434,778$257,093$314,721$178,719