|
| Commodity | 2005 | 2006 | 2007 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | $2,745 | |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $656,239 | | $2,060 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | | $2,654 | $5,976 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $8,000 | $12,498 | $14 |
| Total | $664,239 | $17,897 | $8,050 |
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