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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $3,144,708 | $3,846,480 | $3,340,647 | $3,748,487 | $1,379,665 | $2,625,521 | $2,338,883 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $4,132,399 | $5,146,241 | $3,557,396 | $4,113,054 | $1,489,881 | $2,753,258 | $4,393,141 |
| Total | $7,277,107 | $8,992,721 | $6,898,043 | $7,861,541 | $2,869,546 | $5,378,779 | $6,732,024 |
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