|
| Commodity | 2006 | 2007 | 2008 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $63,292,985 | $36,539,751 | $7,893,182 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $17,393,995 | $214,869,507 | $206,273 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $19,514,156 | $2,515,971 | $11,620,847 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $46,119,349 | $14,678,232 | $131,847,161 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $9,194,266 | $1,520,173 | $366,082 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $6,173,118 | $320,806 | $391 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $2,666,314 | $11,812,887 | $949,264 |
| Total | $164,354,183 | $282,257,327 | $152,883,200 |
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