Commodity200520062007200820092010
Tetrahydrofuran$139,776$318,498$349,717$185,409$400,796$495,009
2-Furaldehyde (furfuraldehyde)   $31  
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... $3,529$4,160   
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins)$44,214$55$498,778$1,223,426$660,631$635,149
Total$183,990$322,082$852,655$1,408,866$1,061,427$1,130,158