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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $224,316 | | $98,196 | $436,974 | $618,926 | $185,070 | $184,635 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $834 | | | $11,272 | $300,921 | $775,222 | $558,885 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $12,753,216 | $13,845,842 | $17,076,373 | $16,558,333 | $6,137,925 | $12,433,777 | $18,195,781 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $437,126 | $495,977 | $525,080 | $918,300 | $312,766 | $669,368 | $668,867 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $1,104,339 | $1,895,624 | $1,152,836 | $1,039,517 | $793,342 | $3,131,756 | $1,511,450 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $1,403,315 | $1,772,583 | $2,370,352 | $1,779,295 | $31,636 | $14,232 | $1,827,629 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $179,383 | $617,764 | $6,091,191 | $1,325,521 | $219,747 | $351,324 | $1,463,521 |
| Total | $16,102,529 | $18,627,790 | $27,314,028 | $22,069,212 | $8,415,263 | $17,560,749 | $24,410,768 |
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