|
| Commodity | 2005 | 2006 | 2007 | 2010 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | | $14,052 | $6,517 | | $898 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $3,213 | $3,716 | $535,393 | $150,189 | |
| Total | $3,213 | $17,768 | $541,910 | $150,189 | $898 |
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