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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $65,185 | $47,101 | | $44,524 | $3,646 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | | $64,997 | $5,759 | $41,206 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $511,422 | $721,520 | $266,901 | $1,103,689 | $2,654,022 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $288,903 | $41,515 | $131,203 | $77,727 | $113,779 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $22,151 | $528,901 | $379,752 | $490,216 | $1,095,571 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $655,133 | $711,757 | $217,688 | $343,655 | $560,675 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $525,727 | $722,573 | $1,657,366 | $3,713,557 | $3,868,055 |
| Total | $2,068,521 | $2,773,367 | $2,717,907 | $5,779,127 | $8,336,954 |
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