|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $183,627,266 | $168,206,026 | $216,658,687 | $203,465,672 | $250,752,658 | $315,598,613 | $164,369,412 |
| Total | $183,627,266 | $168,206,026 | $216,658,687 | $203,465,672 | $250,752,658 | $315,598,613 | $164,369,412 |
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