|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $355,774 | $221,051 | | | | $62,812 | $410,236 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $164,594 | $49,400 | $99,843 | $17,588 | $38,686 | $77,232 | $76,563 |
| Total | $520,368 | $270,451 | $99,843 | $17,588 | $38,686 | $140,044 | $486,799 |
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