|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coal gas, water gas, producer gas & sim. gases (excl. petroleum gases & oth ... | $914,942 | $733,727 | $4,581,713 | $219,827 | $376,205 | $156,484 | $88,271 |
| Total | $914,942 | $733,727 | $4,581,713 | $219,827 | $376,205 | $156,484 | $88,271 |
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