|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $1,039,074,787 | $1,051,984,646 | $990,992,892 | $1,386,163,931 | $575,247,988 | $648,357,118 | $390,823,863 |
| Total | $1,039,074,787 | $1,051,984,646 | $990,992,892 | $1,386,163,931 | $575,247,988 | $648,357,118 | $390,823,863 |
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