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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $2,380,056 | $3,798,866 | $2,316,893 | $3,034,734 | $1,315,430 | $1,578,142 | $212,161 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $5,764,129 | $6,202,016 | $7,547,810 | $7,802,353 | $7,488,807 | $7,067,462 | $10,525,116 |
| Total | $8,144,185 | $10,000,882 | $9,864,703 | $10,837,087 | $8,804,237 | $8,645,604 | $10,737,277 |
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