|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $5,340,825 | $6,055,036 | $6,207,527 | $4,158,728 | $2,022,208 | $3,212,867 | $2,945,951 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $2,399,116 | $3,185,801 | $5,852,987 | $9,887,120 | $5,233,723 | $16,475,005 | $21,068,759 |
| Total | $7,739,941 | $9,240,837 | $12,060,514 | $14,045,848 | $7,255,931 | $19,687,872 | $24,014,710 |
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