|
| Commodity | 2009 | 2010 | 2011 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $2,075,998 | $29,635 | $312,224 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | $234,405 | $100,082 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | | $182,716 | $99,282 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | | $29,786 | $15,231 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | | $184,290 | $159,400 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | | $334,475 | $402,159 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $580,713 | $1,397,216 | $2,486,770 |
| Total | $2,656,711 | $2,392,523 | $3,575,148 |
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