Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$28,242  $18,589$7,514$427$757
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel$903  $3,812 $20,033 
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$60,573$41,506$64,326$28,823$81,391$160,299$33,554
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$58,742$13,832$34,425$48,497$50,692$10,757$38,130
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$11,429$34,451$49,145$131,029$33,416$57,860$82,407
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$93,898$88,547$113,661$141,572$127,090$158,852$553,743
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$151,752$185,378$337,429$535,327$297,096$761,133$352,243
Total$405,539$363,714$598,986$907,649$597,199$1,169,361$1,060,834