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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 ... | $52,879 | $659,031 | $1,081,646 | $844,002 | $134,421 | $594,416 | $778,789 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $421 | $225,658 | $10,019 | $2,338,757 | $915,152 | $210,707 | $3,901,295 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $893,980 | $769,392 | $936,162 | $1,544,316 | $990,121 | $1,164,125 | $465,604 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $1,226,285 | $380,316 | $184,343 | $799,728 | $490,797 | $303,053 | $83,347 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $66,850 | $142,908 | $203,508 | $389,899 | $114,852 | $147,917 | $280,796 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $281,768 | $297,460 | $667,562 | $575,762 | $458,652 | $594,588 | $454,481 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $2,728,151 | $3,869,173 | $3,567,943 | $3,425,995 | $3,021,791 | $1,719,502 | $2,745,815 |
| Total | $5,250,334 | $6,343,938 | $6,651,183 | $9,918,459 | $6,125,786 | $4,734,308 | $8,710,127 |
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