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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 ... | | $10,821 | $341,636 | $408,573 | $255,305 | $521,290 | $20,395 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | | $2,682 | $2,239 | $17,024 | $57,249 | $292,898 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $9,457,000 | $6,219,286 | $6,918,303 | $7,825,786 | $5,761,624 | $6,257,699 | $6,344,317 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $1,182,000 | $1,044,643 | $1,592,639 | $1,300,463 | $1,665,701 | $1,528,268 | $2,184,957 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $28,000 | $41,408 | $7,653 | | $61,175 | $260,462 | $21,401 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $1,307,000 | $555,927 | $1,214,306 | $2,017,765 | $2,365,989 | $3,310,533 | $4,429,141 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $955,000 | $962,482 | $1,779,790 | $2,222,495 | $942,210 | $1,290,021 | $2,694,116 |
| Total | $12,929,000 | $8,834,567 | $11,857,009 | $13,777,321 | $11,069,028 | $13,225,522 | $15,987,225 |
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