|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural graphite, in powder/flakes | $27,755 | $103,724 | $226,257 | $62,072 | $49,721 | $90,050 | $90,802 |
| Natural graphite other than in powders/flakes | | $6,395 | $7,257 | $32,848 | $53,607 | $53,010 | $114,384 |
| Total | $27,755 | $110,119 | $233,514 | $94,920 | $103,328 | $143,060 | $205,186 |
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