Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... $14$43,159 $17,389  
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel $1,561 $343$4,136  
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$51,855$17,703$23,997$8,983$70,612$150,524$8,000
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...    $52,667  
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$586,897$219,182$281,956$1,019,372$505,665$461,864$2,211,000
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$2,967,977$775,320$427,095$1,455,589$333,330  
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$963$15,332$3,770$511,233$72,354$6,957 
Total$3,607,692$1,029,112$779,977$2,995,520$1,056,153$619,345$2,219,000