Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
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 |
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