Sub-Chapter20052006200720092010
Artificial graphite; colloidal or semi-colloidal graphite  $1,772$3,912$6,926
Activated carbon; activated natural mineral products$306    
Gum, wood or sulphate turpentine and other terpenic oils$29,085$25,180$18,764$29,545$19,500
Rosin and resin acids, and derivatives thereof$105,433$93,456$135,375$96,353$85,449
Insecticides, rodenticides, fungicides, herbicides$1,021    
Reaction initiators, reaction accelerators and catalytic preparations   $83 
Total$135,845$118,636$155,911$129,893$111,875