Commodity | 2005 | 2006 | 2007 | 2009 | 2011 |
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... | $3,886 | | | | |
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins) | $6,501 | $6,177 | $2,559 | $776 | $1,512 |
Total | $10,387 | $6,177 | $2,559 | $776 | $1,512 |
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