|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tetrahydrofuran | | | | | | $1,538 | |
| Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... | | | $3,603 | $6,332 | $569 | | $41,512 |
| Coumarin, methylcoumarins & ethylcoumarins | | | | | $34,504 | | |
| Lactones (excl. coumarin, methylcoumarins & ethylcoumarins) | $218 | $223 | $99 | | $26,466 | $742 | $3,120 |
| Total | $218 | $223 | $3,702 | $6,332 | $61,539 | $2,280 | $44,632 |
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