|
| Commodity | 2006 | 2007 | 2009 | 2010 | 2011 |
| Tetrahydrofuran | | | $46,639 | $305 | $387 |
| Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... | $9,987 | $10,907 | | | $15,348 |
| Lactones (excl. coumarin, methylcoumarins & ethylcoumarins) | | $17,248 | $78,136 | $774 | $1,145 |
| Total | $9,987 | $28,155 | $124,775 | $1,079 | $16,880 |
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