|
| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $2,420 | $320 | $31,939 | $4,994 | $120,080 | $8,546 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | | $3,233 | $133 | $4,831 | $128,811 | $448,829 |
| Total | $2,420 | $3,553 | $32,072 | $9,825 | $248,891 | $457,375 |
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