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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Natural graphite, in powder/flakes | $8,240,661 | $8,065,767 | $13,489,573 | $26,844,301 | $6,933,559 | $19,869,363 |
| Natural graphite other than in powders/flakes | $310,632 | $307,879 | $385,755 | $349,856 | $129,779 | $88,790 |
| Total | $8,551,293 | $8,373,646 | $13,875,328 | $27,194,157 | $7,063,338 | $19,958,153 |
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