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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tetrahydrofuran | | | $1,343 | | | | |
| Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... | | | $56,648 | | | | |
| Lactones (excl. coumarin, methylcoumarins & ethylcoumarins) | $15,689 | $11,660 | $1,563 | $11,966 | $8,009 | $46,926 | $22,245 |
| Total | $15,689 | $11,660 | $59,554 | $11,966 | $8,009 | $46,926 | $22,245 |
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