|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $1,028,716 | $736,177 | $3,906,040 | $812,290 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $1,997,846 | $2,751,098 | $2,417,835 | $1,155,512 |
| Total | $3,026,562 | $3,487,275 | $6,323,875 | $1,967,802 |
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