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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 ... | $28,946 | $65,537 | $397,143 | $334,909 | $244,468 | $129,198 | $140,299 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | | $2,795 | $19,987 | $534 | | $27,843 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $7,814,645 | $8,231,169 | $9,720,075 | $19,819,822 | $12,402,666 | $9,827,699 | $11,954,114 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $868,485 | $1,210,875 | $1,624,798 | $2,130,572 | $1,057,691 | $1,368,809 | $1,709,308 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $6,961 | $119,829 | $115,416 | $77,524 | $135,515 | $42,669 | $13,006 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $29,460,648 | $31,575,811 | $39,296,296 | $56,934,710 | $23,805,035 | $13,918,852 | $23,950,361 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $99,593 | $427,741 | $517,635 | $138,313 | $182,420 | $387,829 | $1,236,942 |
| Total | $38,279,278 | $41,630,962 | $51,674,158 | $79,455,837 | $37,828,329 | $25,675,056 | $39,031,873 |
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