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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $38,660,805 | $38,526,484 | $38,518,547 | $50,832,461 | $43,677,613 | $48,875,620 | $50,884,434 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $19,272,544 | $23,078,224 | $27,396,976 | $32,745,370 | $24,387,789 | $30,094,944 | $30,196,718 |
| Total | $57,933,349 | $61,604,708 | $65,915,523 | $83,577,831 | $68,065,402 | $78,970,564 | $81,081,152 |
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