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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $16,739,102 | $40,697,798 | $10,107,646 | $10,103,071 | $5,339,153 | $6,441,364 | $10,358,275 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $28,577,019 | $34,893,222 | $11,777,855 | $6,148,637 | $3,752,814 | $5,099,273 | $6,612,434 |
| Total | $45,316,121 | $75,591,020 | $21,885,501 | $16,251,708 | $9,091,967 | $11,540,637 | $16,970,709 |
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