|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural graphite, in powder/flakes | $8,182 | $8,279 | $21,029 | $13,043 | $10,423 | $5,421 | $18,155 |
| Natural graphite other than in powders/flakes | $4,486 | $3,794 | $26,862 | $9,104 | $9,584 | $27,362 | $45,358 |
| Total | $12,668 | $12,073 | $47,891 | $22,147 | $20,007 | $32,783 | $63,513 |
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