|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $5,757,251 | $8,732,335 | $11,895,676 | $10,389,579 | $9,937,771 | $22,020,141 | $24,035,486 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $6,291,044 | $8,223,838 | $11,457,840 | $11,609,628 | $7,485,251 | $11,206,904 | $11,751,981 |
| Total | $12,048,295 | $16,956,173 | $23,353,516 | $21,999,207 | $17,423,022 | $33,227,045 | $35,787,467 |
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