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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 ... | $340,949 | $70,743 | $39,833 | $91,762 | $18,940 | $113,505 | $208,132 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $127,908 | $35,646 | $168,347 | $1,374,559 | $27,611 | $143,441 | $251,528 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $5,651,822 | $5,224,399 | $8,343,375 | $9,144,402 | $5,206,538 | $885,376 | $157,896 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $45,708 | $73,438 | $150,497 | $268,298 | $255,644 | $573,330 | $679,827 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $53,955 | $23,069 | $249,625 | $437,044 | $185,314 | $549,830 | $175,335 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $651,513 | $791,232 | $237,859 | $245,592 | $618,186 | $378,261 | $1,381,264 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $2,358,515 | $2,203,738 | $4,271,088 | $6,862,650 | $5,234,251 | $15,484,679 | $20,844,639 |
| Total | $9,230,370 | $8,422,265 | $13,460,624 | $18,424,307 | $11,546,484 | $18,128,422 | $23,698,621 |
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