Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Tetrahydrofuran | $149 | $21,674 | | | $139 | $1,684 | $80 |
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... | | | $18,741 | | | $18,443 | $25,142 |
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins) | $99 | $127 | $1,821 | $73 | | | $60,924 |
Total | $248 | $21,801 | $20,562 | $73 | $139 | $20,127 | $86,146 |
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