|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $912,171,000 | $4,522,505,000 | $4,070,715,000 | $5,322,757,000 | $4,511,010,000 | $4,047,697,871 | $4,058,259,774 |
| Total | $912,171,000 | $4,522,505,000 | $4,070,715,000 | $5,322,757,000 | $4,511,010,000 | $4,047,697,871 | $4,058,259,774 |
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