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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 ... | $122,819 | $14,023 | | | $1,879 | $1,002,908 | $8,711 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $794,980 | $3,513 | | $56,916 | | $3,501,300 | $2,706 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $728,565 | $325,385 | $663,733 | $1,084,026 | $519,165 | $659,029 | $515,836 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $378,127 | $193,468 | $560,629 | $245,572 | $305,035 | $378,075 | $456,139 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $4,163 | $28,940 | $134,371 | $618,359 | $65,540 | $102,770 | $9,772 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $327,631 | $462,699 | $493,487 | $513,396 | $120,980 | $602,620 | $324,717 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $862,761 | $943,511 | $1,685,583 | $2,899,162 | $2,515,433 | $2,010,924 | $1,754,387 |
| Total | $3,219,046 | $1,971,539 | $3,537,803 | $5,417,431 | $3,528,032 | $8,257,626 | $3,072,268 |
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