|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $142,081,469 | $143,710,667 | $67,445,096 | $33,784,978 | $109,812,013 | $120,171,111 | $107,247,460 |
| Total | $142,081,469 | $143,710,667 | $67,445,096 | $33,784,978 | $109,812,013 | $120,171,111 | $107,247,460 |
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