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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural graphite, in powder/flakes | $11,656,618 | $12,108,118 | $14,403,428 | $10,624,553 | $6,823,862 | $9,298,557 | $11,650,915 |
| Natural graphite other than in powders/flakes | $4,812,200 | $4,671,078 | $5,137,559 | $5,293,779 | $15,296,984 | $7,048,582 | $5,291,118 |
| Total | $16,468,818 | $16,779,196 | $19,540,987 | $15,918,332 | $22,120,846 | $16,347,139 | $16,942,033 |
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