|
| Commodity | 2005 | 2006 | 2007 | 2009 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $10,236 | $1,542 | $97,965 | $8,019 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $3,533 | $1,109 | | |
| Total | $13,769 | $2,651 | $97,965 | $8,019 |
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