|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Tetrahydrofuran | $525 | | | $7,875 | $840 | $1,454 |
| Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... | $2,281 | $406 | | | $385 | |
| Coumarin, methylcoumarins & ethylcoumarins | $320 | $13 | | | $505 | $2,705 |
| Lactones (excl. coumarin, methylcoumarins & ethylcoumarins) | $3,922 | $1,321 | $1,147 | $46,536 | $69,454 | $507,801 |
| Total | $7,048 | $1,740 | $1,147 | $54,411 | $71,184 | $511,960 |
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