|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural graphite, in powder/flakes | $1,650 | $11,799 | $4,381 | | $126 | $4,154 | $14 |
| Natural graphite other than in powders/flakes | $7,907 | $10,096 | $5,322 | $2,445 | $1,048 | $3,193 | $2,093 |
| Total | $9,557 | $21,895 | $9,703 | $2,445 | $1,174 | $7,347 | $2,107 |
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