Commodity200520062008200920102011
Ureines & their derivs.; salts thereof $1    
Cyclic amides (incl. cyclic carbamates) & their derivs. (excl. of 2924.21-2 ...$2,992,005$1,721,652$2,731,998$979,915$481,193$1,469,457
Total$2,992,005$1,721,653$2,731,998$979,915$481,193$1,469,457