Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Tetrahydrofuran | $1,900 | $448 | $32 | $1,503 | $1,581 | $1,252 | $1,085 |
2-Furaldehyde (furfuraldehyde) | | $8 | | $35 | | | $66 |
Furfuryl alcohol & tetrahydrofurfuryl alcohol | | | | | $182 | | $194 |
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... | $46 | $486 | $8,868 | $11,321 | $6,905 | $14,942 | $10,751 |
Coumarin, methylcoumarins & ethylcoumarins | | | | $1,831 | | | |
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins) | $17,555 | $6,043 | $17,746 | $188,918 | $52,410 | $19,764 | $10,752 |
Total | $19,501 | $6,985 | $26,646 | $203,608 | $61,078 | $35,958 | $22,848 |
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