|
| Commodity | 2005 | 2007 | 2008 | 2009 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $91,009 | $52,916 | | $41,159 | $4,861,831 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | | $6,967 | $77,946 | $9,397 | |
| Total | $91,009 | $59,883 | $77,946 | $50,556 | $4,861,831 |
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