Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... $2,691$10,515    
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel $471$103,793 $8,970  
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$2,747,406$3,553,947$5,974,518$7,108,675$2,005,044$2,560,918$2,560,321
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$114,147$157,862$283,347$139,702$124,580$257,241$302,766
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$146,133$41,701$47,817$152,156$28,495$15,130$181,144
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$1,087,156$2,186,690$1,256,452$729,051$407,456$424,243$646,805
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$457,607$3,320,026$2,222,147$3,466,883$433,391$1,118,395$1,223,118
Total$4,552,449$9,263,388$9,898,589$11,596,467$3,007,936$4,375,927$4,914,154