|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $1,614 | $9,207 | $135,041 | $130,398 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $1,296 | $1,987 | $1,153 | $17,293 |
| Total | $2,910 | $11,194 | $136,194 | $147,691 |
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