|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $1,980 | $2,134 | | $4,364 | $5,517 | $37,162 | $12,931 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $762 | $886 | $232 | $840 | $433 | | $3,222 |
| Total | $2,742 | $3,020 | $232 | $5,204 | $5,950 | $37,162 | $16,153 |
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