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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural graphite, in powder/flakes | $12,150,092 | $12,435,146 | $10,981,890 | $13,306,894 | $11,899,249 | $21,271,502 | $31,843,747 |
| Natural graphite other than in powders/flakes | $1,441,708 | $1,366,937 | $1,637,421 | $1,886,414 | $1,977,027 | $2,515,330 | $2,504,483 |
| Total | $13,591,800 | $13,802,083 | $12,619,311 | $15,193,308 | $13,876,276 | $23,786,832 | $34,348,230 |
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