|
| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $3,732 | $32,353 | $14,389 | $2,924 | $43,554 | |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $5,611 | $20,559 | $8,167 | $7,697 | $414 | $35,433 |
| Total | $9,343 | $52,912 | $22,556 | $10,621 | $43,968 | $35,433 |
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