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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $3,848,133 | $4,559,254 | $9,037,987 | $9,701,606 | $3,106,533 | $5,045,006 | $11,121,972 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $1,760,712 | $2,240,150 | $6,205,897 | $6,681,518 | $3,266,553 | $3,668,932 | $3,994,656 |
| Total | $5,608,845 | $6,799,404 | $15,243,884 | $16,383,124 | $6,373,086 | $8,713,938 | $15,116,628 |
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