Commodity2005200620072008200920102011
Tetrahydrofuran$174$629$31$13  $646
2-Furaldehyde (furfuraldehyde) $41     
Furfuryl alcohol & tetrahydrofurfuryl alcohol     $7 
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ...$136$287$198  $6,016$18,872
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins)$223$367$1,818 $41$17,870$14,040
Total$533$1,324$2,047$13$41$23,893$33,558