|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $18,207,747 | $18,203,737 | $21,518,966 | $15,487,958 | $17,245,179 | $20,455,358 | $86,564,764 |
| Total | $18,207,747 | $18,203,737 | $21,518,966 | $15,487,958 | $17,245,179 | $20,455,358 | $86,564,764 |
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