|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) powders | $148,337 | $267,968 | $141,504 | $234,062 | $264,686 | $638,426 | $1,042,227 |
| Tungsten (wolfram) & arts. thereof , n.e.s. in 81.01 | $429,745 | $1,141,622 | $2,705,890 | $3,351,986 | $1,633,945 | $5,626,592 | $7,047,115 |
| Total | $578,082 | $1,409,590 | $2,847,394 | $3,586,048 | $1,898,631 | $6,265,018 | $8,089,342 |
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