|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $83,101 | $70,287 | $251,749 | $435,087 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $25,141 | $17,364 | $186,727 | $120,043 |
| Total | $108,242 | $87,651 | $438,476 | $555,130 |
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