|
| Commodity | 2005 | 2006 | 2008 | 2009 | 2010 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $5,063 | | $15,142 | $8,139 | $3,654 | $39,631 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $379 | $3,230 | | | | |
| Total | $5,442 | $3,230 | $15,142 | $8,139 | $3,654 | $39,631 |
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