|
| Commodity | 2006 | 2008 | 2009 | 2010 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $167,241 | $21,851 | | $3,992 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | $102,793 | $4,473,694 | $3,758,918 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | | | $2,827 | |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | | $741,464 | | |
| Total | $167,241 | $866,108 | $4,476,521 | $3,762,910 |
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