Commodity20052006200820092010
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... $4,379 $4,658 
Coumarin, methylcoumarins & ethylcoumarins  $319  
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins)$1,984  $3,294$80,679
Total$1,984$4,379$319$7,952$80,679