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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $151 | | | $48,912 | $987 | $1,546,549 | $38,903 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | $1,437,640 | $106 | $3,621 | $205,255 | $19,824,422 | $1,624 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $223,581 | $297,707 | $235,720 | $894,538 | $825,935 | $3,945,560 | $1,178,303 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $12,567 | $81,941 | $448,191 | $29,161 | $127,062 | $151,937 | $257,293 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $173,925 | $403,877 | $24,340 | $272,391 | $1,442,430 | $20,860,744 | $296,830 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $2,221,683 | $2,225,838 | $2,850,609 | $2,089,070 | $1,617,999 | $1,378,935 | $2,205,277 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $65,060 | $80,424 | $76,206 | $292,722 | $402,074 | $391,757 | $581,950 |
| Total | $2,696,967 | $4,527,427 | $3,635,172 | $3,630,415 | $4,621,742 | $48,099,904 | $4,560,180 |
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