|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $1,376,547 | $3,419,944 | $2,806,965 | $2,562,679 | $2,102,228 | $2,779,781 | $4,529,004 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $16,801,939 | $29,790,030 | $20,387,273 | $19,416,687 | $16,791,361 | $24,242,827 | $32,170,080 |
| Total | $18,178,486 | $33,209,974 | $23,194,238 | $21,979,366 | $18,893,589 | $27,022,608 | $36,699,084 |
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