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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Natural graphite, in powder/flakes | $55,586 | $92,934 | $96,330 | $129,233 | $91,138 | $81,429 |
| Natural graphite other than in powders/flakes | $1,747 | $5,953 | $16,354 | $4,394 | $6,215 | $23,628 |
| Total | $57,333 | $98,887 | $112,684 | $133,627 | $97,353 | $105,057 |
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