|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $5,956 | $13 | $21,385 | $9,821 | $8,932 | $20,000 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | | $200 | $5,844 | $219 | $3,524 | |
| Total | $5,956 | $213 | $27,229 | $10,040 | $12,456 | $20,000 |
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