Commodity2005200620072008200920102011
Tetrahydrofuran$17,619,375$26,221,984$39,473,883$44,998,805$33,470,434$75,446,785$92,341,836
Furfuryl alcohol & tetrahydrofurfuryl alcohol  $23,790$57,596$70,002$76,765$120,992
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ...$2,028$8,278  $339,969$129,028$2,570
Coumarin, methylcoumarins & ethylcoumarins$612,853     $166,955
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins)$3,543,048$11,390,012$22,280,498$15,726,050$10,843,028$20,150,640$26,367,412
Total$21,777,304$37,620,274$61,778,171$60,782,451$44,723,433$95,803,218$118,999,765