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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $4,117,008 | $8,015,618 | $7,893,942 | $5,730,211 | $3,716,447 | $6,284,365 | $13,823,101 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $5,725,447 | $5,423,543 | $17,299,914 | $14,703,340 | $11,460,047 | $18,002,131 | $22,072,541 |
| Total | $9,842,455 | $13,439,161 | $25,193,856 | $20,433,551 | $15,176,494 | $24,286,496 | $35,895,642 |
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