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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $2,034,128 | $3,982,171 | $3,508,423 | $4,538,684 | $1,384,775 | $2,870,750 | $3,145,660 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $9,207,822 | $10,939,461 | $13,000,804 | $10,677,150 | $5,785,798 | $7,806,801 | $8,382,053 |
| Total | $11,241,950 | $14,921,632 | $16,509,227 | $15,215,834 | $7,170,573 | $10,677,551 | $11,527,713 |
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