|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Tungsten (wolfram) powders | $294,749 | $1,013,868 | $1,239,661 | $1,223,071 | $742,290 | $1,872,755 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $365,638 | $810,340 | $3,173,971 | $1,274,647 | $874,842 | $1,822,356 |
| Total | $660,387 | $1,824,208 | $4,413,632 | $2,497,718 | $1,617,132 | $3,695,111 |
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