Commodity2005200720102011
Trichloroethylene $1,466 $736
Tetrachloroethylene (perchloroethylene)$41,488 $29,846 
Unsaturated chlorinated derivs. of acyclic hydrocarbons (excl. of 2903.21-2 ...$2,580$803$22,258 
Fluorinated/brominated/iodinated derivs. of acyclic hydrocarbons$9,526   
Total$53,594$2,269$52,104$736