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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural graphite, in powder/flakes | $52,335,719 | $46,165,641 | $53,836,554 | $76,942,150 | $56,783,388 | $114,707,646 | $285,218,311 |
| Natural graphite other than in powders/flakes | $33,110,979 | $31,899,359 | $49,391,726 | $87,028,972 | $77,334,196 | $92,497,403 | $79,870,016 |
| Total | $85,446,698 | $78,065,000 | $103,228,280 | $163,971,122 | $134,117,584 | $207,205,049 | $365,088,327 |
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