|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $136,489,278 | $80,229,550 | $112,776,839 | $58,958,978 | $67,008,753 | $42,389,419 | $45,370,025 |
| Total | $136,489,278 | $80,229,550 | $112,776,839 | $58,958,978 | $67,008,753 | $42,389,419 | $45,370,025 |
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