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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $3,456,339 | $7,923,011 | $5,124,353 | $2,445,851 | $698,161 | $1,076,850 | $2,582,016 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $12,387,526 | $18,105,370 | $5,757,086 | $6,823,136 | $2,542,150 | $3,004,984 | $5,408,747 |
| Total | $15,843,865 | $26,028,381 | $10,881,439 | $9,268,987 | $3,240,311 | $4,081,834 | $7,990,763 |
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