|
| Commodity | 2005 | 2006 | 2007 | 2010 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | | $26,985 | | |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $380,353 | $107,384 | | $248 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $1,219,546 | $3,012,664 | | $52,279 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | | $11,730 | | $11,883 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | | | | $315,045 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | | | | $267,720 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $16,130 | $24,482 | $48,765 | $6,661,159 |
| Total | $1,616,029 | $3,183,245 | $48,765 | $7,308,334 |
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