Commodity200520062007200820092011
Tetrahydrofuran$546$2,079$1,802$3,046$101$1,907
2-Furaldehyde (furfuraldehyde)$144 $194$32  
Furfuryl alcohol & tetrahydrofurfuryl alcohol   $25  
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ...$32,830$61,219$102,285$198,957$24,494$148,300
Coumarin, methylcoumarins & ethylcoumarins  $55$157  
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins)$199,907$234,349$290,291$623,331$258,398$167,681
Total$233,427$297,647$394,627$825,548$282,993$317,888