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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural graphite, in powder/flakes | $8,580,820 | $9,227,873 | $13,603,636 | $20,297,491 | $16,526,652 | $23,343,414 | $24,348,833 |
| Natural graphite other than in powders/flakes | $1,055,493 | $1,179,617 | $1,796,371 | $4,912,811 | $7,252,937 | $4,220,027 | $5,305,998 |
| Total | $9,636,313 | $10,407,490 | $15,400,007 | $25,210,302 | $23,779,589 | $27,563,441 | $29,654,831 |
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