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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Saturated acyclic hydrocarbons | $17 | $4,047 | $11,948 | $9,531 | $4,658 | $2,315 |
| Ethylene | | | | $1,391 | | $138 |
| Propene (propylene) | $1,286 | | | $3,874 | | $8,621 |
| Butene (butylene) & isomers thereof | | $2,826 | | $1,026 | | |
| Buta-1,3-diene & isoprene | | | | | $51 | |
| Unsaturated acyclic hydrocarbons (excl. of 2901.21-2901.24) | $9,627 | $21,107 | $37,267 | $82,737 | $102,638 | $84,002 |
| Total | $10,930 | $27,980 | $49,215 | $98,559 | $107,347 | $95,076 |
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