Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$3,326,034$87,558$327,682$1,649,913$609,870$1,922,164$68,859
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel $9,113$278,461$78,879 $17,063 
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$2,593,301$2,990,920$6,743,880$7,409,452$4,204,236$2,958,675$1,538,186
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$86,336$37,749$33,698$86,083$80,428$308,596$150,315
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$137,841$300,855$988,935$485,221$39,905$46,963$496,379
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$868,561$2,840,057$5,059,581$7,490,248$4,279,370$3,212,054$1,800,186
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$482,424$1,833,031$11,105,935$5,805,869$5,713,492$2,775,192$1,553,994
Total$7,494,497$8,099,283$24,538,172$23,005,665$14,927,301$11,240,707$5,607,919