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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural graphite, in powder/flakes | $23,952,534 | $24,636,224 | $28,084,751 | $46,603,240 | $29,645,165 | $61,540,458 | $99,268,772 |
| Natural graphite other than in powders/flakes | $16,266,098 | $20,659,313 | $32,420,414 | $43,410,226 | $32,580,495 | $37,572,242 | $34,570,320 |
| Total | $40,218,632 | $45,295,537 | $60,505,165 | $90,013,466 | $62,225,660 | $99,112,700 | $133,839,092 |
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