|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $49,381,023 | $70,357,524 | $70,529,279 | $122,580,307 | $50,490,483 | $36,374,569 | $50,303,204 |
| Total | $49,381,023 | $70,357,524 | $70,529,279 | $122,580,307 | $50,490,483 | $36,374,569 | $50,303,204 |
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