Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Tetrahydrofuran | $2,274 | | | | | | |
Furfuryl alcohol & tetrahydrofurfuryl alcohol | | | $807 | | | | $2,157 |
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... | $5,022 | $7,221 | $8,363 | | $16,800 | $19,664 | |
Coumarin, methylcoumarins & ethylcoumarins | | $1,150 | | | | | |
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins) | $120 | $13,472 | $58,380 | $59,618 | $149,793 | $191,164 | $113,730 |
Total | $7,416 | $21,843 | $67,550 | $59,618 | $166,593 | $210,828 | $115,887 |
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