|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $2,739 | $40,221 | $14,312 | $23,775 | $90,665 | $66,273 | $113,024 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $31,085 | $31,038 | $260,794 | $350,280 | $382,774 | $717,260 | $2,772,110 |
| Total | $33,824 | $71,259 | $275,106 | $374,055 | $473,439 | $783,533 | $2,885,134 |
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