|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $3,201 | $18,692 | $175,071 | $4,545 | $79,143 | $1,952 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $904 | $10,577 | $59,339 | $1,025 | $6,605 | $248 |
| Total | $4,105 | $29,269 | $234,410 | $5,570 | $85,748 | $2,200 |
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