|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | | | | | $3,696 | | $24,197 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $632,696 | $799,954 | $760,517 | $647,876 | $219,344 | $717,427 | $558,960 |
| Total | $632,696 | $799,954 | $760,517 | $647,876 | $223,040 | $717,427 | $583,157 |
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