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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $1,121,319 | $1,534,240 | $2,552,304 | $2,775,819 | $1,434,566 | $1,718,745 | $2,208,543 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $6,915,471 | $6,921,006 | $7,218,442 | $4,198,258 | $9,794,500 | $15,165,292 | $18,025,356 |
| Total | $8,036,790 | $8,455,246 | $9,770,746 | $6,974,077 | $11,229,066 | $16,884,037 | $20,233,899 |
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