|
| Commodity | 2005 | 2007 | 2010 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $176,968 | $421,256 | $30,736 | $721,985 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $608 | $188 | | $54,056 |
| Total | $177,576 | $421,444 | $30,736 | $776,041 |
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