Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Tetrahydrofuran | $3,573 | $1,565 | $1,430 | $4,126 | $10,416 | $6,195 | $9,117 |
2-Furaldehyde (furfuraldehyde) | $57 | | | | $45 | $91 | |
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... | $1,127 | $57,231 | $734,104 | $323,324 | $700,012 | $850,820 | $447,009 |
Coumarin, methylcoumarins & ethylcoumarins | $20,717 | $22,965 | $27,157 | $38,669 | $38,712 | $687 | |
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins) | $46,042 | $11,132 | $60,624 | $61,783 | $168,385 | $77,571 | $132,933 |
Total | $71,516 | $92,893 | $823,315 | $427,902 | $917,570 | $935,364 | $589,059 |
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