|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coal gas, water gas, producer gas & sim. gases (excl. petroleum gases & oth ... | $104,774 | $300,178 | $340,157 | $283,015 | $78,393 | $106,133 | $244,160 |
| Total | $104,774 | $300,178 | $340,157 | $283,015 | $78,393 | $106,133 | $244,160 |
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