Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Tetrahydrofuran | $16,445 | $8,789 | | $17,958 | | | |
Furfuryl alcohol & tetrahydrofurfuryl alcohol | | | $19,955 | | | | |
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... | $40 | $533 | $434 | $30,769 | $36,630 | $120 | $393,119 |
Coumarin, methylcoumarins & ethylcoumarins | | | $45 | | | | |
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins) | $2,096 | $308 | $2,616 | $29,105 | $1,018 | $615,408 | $364,856 |
Total | $18,581 | $9,630 | $23,050 | $77,832 | $37,648 | $615,528 | $757,975 |
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