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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural graphite, in powder/flakes | $3,701,712 | $3,588,356 | $4,007,774 | $4,852,203 | $4,130,559 | $5,577,605 | $7,936,692 |
| Natural graphite other than in powders/flakes | $2,978,789 | $3,725,210 | $3,575,428 | $5,572,740 | $4,002,867 | $2,124,739 | $2,237,412 |
| Total | $6,680,501 | $7,313,566 | $7,583,202 | $10,424,943 | $8,133,426 | $7,702,344 | $10,174,104 |
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