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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $32,276,888 | $41,816,649 | $51,712,692 | $55,415,692 | $43,602,577 | $44,902,044 | $51,193,067 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $35,254,360 | $38,390,824 | $39,996,856 | $42,700,190 | $36,489,233 | $42,775,845 | $44,434,107 |
| Total | $67,531,248 | $80,207,473 | $91,709,548 | $98,115,882 | $80,091,810 | $87,677,889 | $95,627,174 |
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