Commodity2005200620072009
Petroleum resins, coumarone, indene/coumarone-indene resins & polyterpenes, ... $6,660  
Polysulphides, polysulphones & oth. prods. spec. in Note 3 to Ch.39, n.e.s. ...$8,800$10,968$31,727$7,482
Total$8,800$17,628$31,727$7,482