|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $968,412,929 | $1,436,883,284 | $982,912,857 | $1,878,491,788 | $556,670,640 | $776,077,054 | $949,797,670 |
| Total | $968,412,929 | $1,436,883,284 | $982,912,857 | $1,878,491,788 | $556,670,640 | $776,077,054 | $949,797,670 |
|
|
