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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $41,245,831 | $42,062,458 | $50,952,683 | $58,574,031 | $61,492,430 | $67,058,743 | $74,346,434 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $18,485,276 | $18,033,786 | $22,029,917 | $21,424,142 | $17,933,697 | $19,900,320 | $21,499,027 |
| Total | $59,731,107 | $60,096,244 | $72,982,600 | $79,998,173 | $79,426,127 | $86,959,063 | $95,845,461 |
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