Commodity2005200620072008200920102011
Activated carbon$94,073,700$111,626,570$120,636,899$130,540,397$137,639,751$170,789,452$237,815,263
Activated nat. min. prods. other than of activated carbon; animal black, in ...$93,884,477$87,148,852$97,795,745$96,929,724$75,251,492$95,128,395$101,260,753
Total$187,958,177$198,775,422$218,432,644$227,470,121$212,891,243$265,917,847$339,076,016