Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$1,037,443$686,079   $2,891 
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel$4,477$2,582$7,870 $531 $1,350
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$1,014,465$973,816$3,587,663$2,915,174$1,739,775$1,218,250$1,937,779
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$503,973$706,994$908,180$623,803$493,667$548,001$503,888
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$23,007$61,128$95,347$5,804$618$1,326$1,200
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$4,688,146$4,711,023$4,857,616$6,837,525$3,168,435$4,856,308$4,857,710
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$41,780$15,815$43,098$80,464$72,046$648,809$2,410,641
Total$7,313,291$7,157,437$9,499,774$10,462,770$5,475,072$7,275,585$9,712,568