|
| Commodity | 2005 | 2006 | 2009 | 2010 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $30,088 | $6,250 | $13,963 | $5,319 | $798 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | | $42,348 | $3,011 | | |
| Total | $30,088 | $48,598 | $16,974 | $5,319 | $798 |
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