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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural graphite, in powder/flakes | $30,696,715 | $26,104,876 | $35,195,491 | $48,966,755 | $28,982,354 | $52,305,933 | $81,825,763 |
| Natural graphite other than in powders/flakes | $6,897,550 | $5,265,093 | $5,204,011 | $4,456,036 | $2,834,035 | $4,449,897 | $5,007,735 |
| Total | $37,594,265 | $31,369,969 | $40,399,502 | $53,422,791 | $31,816,389 | $56,755,830 | $86,833,498 |
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