|
| Commodity | 2005 | 2006 | 2007 | 2009 | 2010 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $737,000 | $4,031,000 | $878,000 | $15,096,000 | $27,000 | $1,038,000 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $250,000 | $81,000 | $220,000 | $4,318,000 | $117,000 | $72,000 |
| Total | $987,000 | $4,112,000 | $1,098,000 | $19,414,000 | $144,000 | $1,110,000 |
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