|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural graphite, in powder/flakes | $12,446 | $16,111 | $9,545 | $22,638 | $12,885 | $13,914 | $16,346 |
| Natural graphite other than in powders/flakes | $15,911 | $12,709 | $949 | $18,958 | $36,202 | $2,079 | $8,583 |
| Total | $28,357 | $28,820 | $10,494 | $41,596 | $49,087 | $15,993 | $24,929 |
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