Commodity2005200620072008200920102011
Tetrahydrofuran   $795$840$3,630$5,260
2-Furaldehyde (furfuraldehyde)    $104  
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ...$2,445,864$2,730,289$1,778,434$1,635,701$726,824$1,810,454$1,853,614
Coumarin, methylcoumarins & ethylcoumarins $88   $430 
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins)$436,790$16,818$536,510$2,233,710$1,164,638$303,990$1,550
Total$2,882,654$2,747,195$2,314,944$3,870,206$1,892,406$2,118,504$1,860,424