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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 ... | $773,530 | $1,435,629 | $1,840,288 | $3,483,680 | $2,914,149 | $1,246,639 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $2,736,099 | $3,374,544 | $5,534,684 | $115,621 | $3,451,966 | $199,771 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $75,512 | $198,510 | $286,127 | $116,161 | $514,059 | $1,788,901 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $358,974 | $347,411 | $763,100 | $820,898 | $480,463 | $647,572 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $24,342 | $79,252 | $106,627 | $79,506 | $201,716 | $79,256 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $111,241 | $215,285 | $137,468 | $351,165 | $456,154 | $524,343 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $2,505,927 | $858,904 | $640,953 | $854,641 | $1,405,266 | $4,375,790 |
| Total | $6,585,625 | $6,509,535 | $9,309,247 | $5,821,672 | $9,423,773 | $8,862,272 |
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