|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $16,109 | $16,064 | $13,072 | $11,135 | $1,702 | $3,027 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $4,752 | $4,848 | $1,862 | | $10,525 | |
| Total | $20,861 | $20,912 | $14,934 | $11,135 | $12,227 | $3,027 |
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