|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Tetrahydrofuran | $875 | | | |
| Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... | $3,375 | $4,759 | $4,551 | $1,466 |
| Lactones (excl. coumarin, methylcoumarins & ethylcoumarins) | | | $50,912 | $366 |
| Total | $4,250 | $4,759 | $55,463 | $1,832 |
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