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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $1,088 | $8,490 | | | $12,737 | $11,617 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | $916 | $265 | $368 | $151,201 | $6,780 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | | $6 | $3,011 | $146,491 | $109,639 | $66,504 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $229 | $7,974 | $2,305 | $424 | | $504 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $3,860 | $592 | $66,224 | $193,780 | $218,036 | $311,904 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | | $3,561 | $8,915 | $530 | $4,506 | $27,044 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $9,004 | $18,833 | $249,079 | $760,330 | $196,972 | $62,874 |
| Total | $14,181 | $40,372 | $329,799 | $1,101,923 | $693,091 | $487,227 |
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