|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $2,479,438,902 | $2,518,429,059 | $2,713,303,002 | $3,640,509,386 | $2,070,609,557 | $2,071,450,833 | $2,096,077,391 |
| Total | $2,479,438,902 | $2,518,429,059 | $2,713,303,002 | $3,640,509,386 | $2,070,609,557 | $2,071,450,833 | $2,096,077,391 |
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