Commodity200520062007200820092011
Activated carbon$54,249$132,751$97,994$196,934$104,979$63,281
Activated nat. min. prods. other than of activated carbon; animal black, in ...$187,385$213,060$246,328$323,978$357,566$485,045
Total$241,634$345,811$344,322$520,912$462,545$548,326