|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Tungsten (wolfram) powders | $43,547 | $107,013 | $404,687 | $483 | $50 | $201 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $133,054 | $453,661 | $507,388 | $414,330 | $71,950 | |
| Total | $176,601 | $560,674 | $912,075 | $414,813 | $72,000 | $201 |
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