|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coal gas, water gas, producer gas & sim. gases (excl. petroleum gases & oth ... | $1,244,607 | $466,143 | $84,935 | $26,738 | $29,054 | $19,756 | $138,541 |
| Total | $1,244,607 | $466,143 | $84,935 | $26,738 | $29,054 | $19,756 | $138,541 |
|
|
